<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="generator" content="rustdoc">
<meta name="description" content="Source to the Rust file `/home/roc/.cargo/registry/src/github.com-88ac128001ac3a9a/bit-set-0.2.0/src/lib.rs`.">
<meta name="keywords" content="rust, rustlang, rust-lang">
<title>lib.rs.html -- source</title>
<link rel="stylesheet" type="text/css" href="../../rustdoc.css">
<link rel="stylesheet" type="text/css" href="../../main.css">
</head>
<body class="rustdoc">
<!--[if lte IE 8]>
<div class="warning">
This old browser is unsupported and will most likely display funky
things.
</div>
<![endif]-->
<nav class="sidebar">
</nav>
<nav class="sub">
<form class="search-form js-only">
<div class="search-container">
<input class="search-input" name="search"
autocomplete="off"
placeholder="Click or press ‘S’ to search, ‘?’ for more options…"
type="search">
</div>
</form>
</nav>
<section id='main' class="content source"><pre class="line-numbers"><span id="1"> 1</span>
<span id="2"> 2</span>
<span id="3"> 3</span>
<span id="4"> 4</span>
<span id="5"> 5</span>
<span id="6"> 6</span>
<span id="7"> 7</span>
<span id="8"> 8</span>
<span id="9"> 9</span>
<span id="10"> 10</span>
<span id="11"> 11</span>
<span id="12"> 12</span>
<span id="13"> 13</span>
<span id="14"> 14</span>
<span id="15"> 15</span>
<span id="16"> 16</span>
<span id="17"> 17</span>
<span id="18"> 18</span>
<span id="19"> 19</span>
<span id="20"> 20</span>
<span id="21"> 21</span>
<span id="22"> 22</span>
<span id="23"> 23</span>
<span id="24"> 24</span>
<span id="25"> 25</span>
<span id="26"> 26</span>
<span id="27"> 27</span>
<span id="28"> 28</span>
<span id="29"> 29</span>
<span id="30"> 30</span>
<span id="31"> 31</span>
<span id="32"> 32</span>
<span id="33"> 33</span>
<span id="34"> 34</span>
<span id="35"> 35</span>
<span id="36"> 36</span>
<span id="37"> 37</span>
<span id="38"> 38</span>
<span id="39"> 39</span>
<span id="40"> 40</span>
<span id="41"> 41</span>
<span id="42"> 42</span>
<span id="43"> 43</span>
<span id="44"> 44</span>
<span id="45"> 45</span>
<span id="46"> 46</span>
<span id="47"> 47</span>
<span id="48"> 48</span>
<span id="49"> 49</span>
<span id="50"> 50</span>
<span id="51"> 51</span>
<span id="52"> 52</span>
<span id="53"> 53</span>
<span id="54"> 54</span>
<span id="55"> 55</span>
<span id="56"> 56</span>
<span id="57"> 57</span>
<span id="58"> 58</span>
<span id="59"> 59</span>
<span id="60"> 60</span>
<span id="61"> 61</span>
<span id="62"> 62</span>
<span id="63"> 63</span>
<span id="64"> 64</span>
<span id="65"> 65</span>
<span id="66"> 66</span>
<span id="67"> 67</span>
<span id="68"> 68</span>
<span id="69"> 69</span>
<span id="70"> 70</span>
<span id="71"> 71</span>
<span id="72"> 72</span>
<span id="73"> 73</span>
<span id="74"> 74</span>
<span id="75"> 75</span>
<span id="76"> 76</span>
<span id="77"> 77</span>
<span id="78"> 78</span>
<span id="79"> 79</span>
<span id="80"> 80</span>
<span id="81"> 81</span>
<span id="82"> 82</span>
<span id="83"> 83</span>
<span id="84"> 84</span>
<span id="85"> 85</span>
<span id="86"> 86</span>
<span id="87"> 87</span>
<span id="88"> 88</span>
<span id="89"> 89</span>
<span id="90"> 90</span>
<span id="91"> 91</span>
<span id="92"> 92</span>
<span id="93"> 93</span>
<span id="94"> 94</span>
<span id="95"> 95</span>
<span id="96"> 96</span>
<span id="97"> 97</span>
<span id="98"> 98</span>
<span id="99"> 99</span>
<span id="100"> 100</span>
<span id="101"> 101</span>
<span id="102"> 102</span>
<span id="103"> 103</span>
<span id="104"> 104</span>
<span id="105"> 105</span>
<span id="106"> 106</span>
<span id="107"> 107</span>
<span id="108"> 108</span>
<span id="109"> 109</span>
<span id="110"> 110</span>
<span id="111"> 111</span>
<span id="112"> 112</span>
<span id="113"> 113</span>
<span id="114"> 114</span>
<span id="115"> 115</span>
<span id="116"> 116</span>
<span id="117"> 117</span>
<span id="118"> 118</span>
<span id="119"> 119</span>
<span id="120"> 120</span>
<span id="121"> 121</span>
<span id="122"> 122</span>
<span id="123"> 123</span>
<span id="124"> 124</span>
<span id="125"> 125</span>
<span id="126"> 126</span>
<span id="127"> 127</span>
<span id="128"> 128</span>
<span id="129"> 129</span>
<span id="130"> 130</span>
<span id="131"> 131</span>
<span id="132"> 132</span>
<span id="133"> 133</span>
<span id="134"> 134</span>
<span id="135"> 135</span>
<span id="136"> 136</span>
<span id="137"> 137</span>
<span id="138"> 138</span>
<span id="139"> 139</span>
<span id="140"> 140</span>
<span id="141"> 141</span>
<span id="142"> 142</span>
<span id="143"> 143</span>
<span id="144"> 144</span>
<span id="145"> 145</span>
<span id="146"> 146</span>
<span id="147"> 147</span>
<span id="148"> 148</span>
<span id="149"> 149</span>
<span id="150"> 150</span>
<span id="151"> 151</span>
<span id="152"> 152</span>
<span id="153"> 153</span>
<span id="154"> 154</span>
<span id="155"> 155</span>
<span id="156"> 156</span>
<span id="157"> 157</span>
<span id="158"> 158</span>
<span id="159"> 159</span>
<span id="160"> 160</span>
<span id="161"> 161</span>
<span id="162"> 162</span>
<span id="163"> 163</span>
<span id="164"> 164</span>
<span id="165"> 165</span>
<span id="166"> 166</span>
<span id="167"> 167</span>
<span id="168"> 168</span>
<span id="169"> 169</span>
<span id="170"> 170</span>
<span id="171"> 171</span>
<span id="172"> 172</span>
<span id="173"> 173</span>
<span id="174"> 174</span>
<span id="175"> 175</span>
<span id="176"> 176</span>
<span id="177"> 177</span>
<span id="178"> 178</span>
<span id="179"> 179</span>
<span id="180"> 180</span>
<span id="181"> 181</span>
<span id="182"> 182</span>
<span id="183"> 183</span>
<span id="184"> 184</span>
<span id="185"> 185</span>
<span id="186"> 186</span>
<span id="187"> 187</span>
<span id="188"> 188</span>
<span id="189"> 189</span>
<span id="190"> 190</span>
<span id="191"> 191</span>
<span id="192"> 192</span>
<span id="193"> 193</span>
<span id="194"> 194</span>
<span id="195"> 195</span>
<span id="196"> 196</span>
<span id="197"> 197</span>
<span id="198"> 198</span>
<span id="199"> 199</span>
<span id="200"> 200</span>
<span id="201"> 201</span>
<span id="202"> 202</span>
<span id="203"> 203</span>
<span id="204"> 204</span>
<span id="205"> 205</span>
<span id="206"> 206</span>
<span id="207"> 207</span>
<span id="208"> 208</span>
<span id="209"> 209</span>
<span id="210"> 210</span>
<span id="211"> 211</span>
<span id="212"> 212</span>
<span id="213"> 213</span>
<span id="214"> 214</span>
<span id="215"> 215</span>
<span id="216"> 216</span>
<span id="217"> 217</span>
<span id="218"> 218</span>
<span id="219"> 219</span>
<span id="220"> 220</span>
<span id="221"> 221</span>
<span id="222"> 222</span>
<span id="223"> 223</span>
<span id="224"> 224</span>
<span id="225"> 225</span>
<span id="226"> 226</span>
<span id="227"> 227</span>
<span id="228"> 228</span>
<span id="229"> 229</span>
<span id="230"> 230</span>
<span id="231"> 231</span>
<span id="232"> 232</span>
<span id="233"> 233</span>
<span id="234"> 234</span>
<span id="235"> 235</span>
<span id="236"> 236</span>
<span id="237"> 237</span>
<span id="238"> 238</span>
<span id="239"> 239</span>
<span id="240"> 240</span>
<span id="241"> 241</span>
<span id="242"> 242</span>
<span id="243"> 243</span>
<span id="244"> 244</span>
<span id="245"> 245</span>
<span id="246"> 246</span>
<span id="247"> 247</span>
<span id="248"> 248</span>
<span id="249"> 249</span>
<span id="250"> 250</span>
<span id="251"> 251</span>
<span id="252"> 252</span>
<span id="253"> 253</span>
<span id="254"> 254</span>
<span id="255"> 255</span>
<span id="256"> 256</span>
<span id="257"> 257</span>
<span id="258"> 258</span>
<span id="259"> 259</span>
<span id="260"> 260</span>
<span id="261"> 261</span>
<span id="262"> 262</span>
<span id="263"> 263</span>
<span id="264"> 264</span>
<span id="265"> 265</span>
<span id="266"> 266</span>
<span id="267"> 267</span>
<span id="268"> 268</span>
<span id="269"> 269</span>
<span id="270"> 270</span>
<span id="271"> 271</span>
<span id="272"> 272</span>
<span id="273"> 273</span>
<span id="274"> 274</span>
<span id="275"> 275</span>
<span id="276"> 276</span>
<span id="277"> 277</span>
<span id="278"> 278</span>
<span id="279"> 279</span>
<span id="280"> 280</span>
<span id="281"> 281</span>
<span id="282"> 282</span>
<span id="283"> 283</span>
<span id="284"> 284</span>
<span id="285"> 285</span>
<span id="286"> 286</span>
<span id="287"> 287</span>
<span id="288"> 288</span>
<span id="289"> 289</span>
<span id="290"> 290</span>
<span id="291"> 291</span>
<span id="292"> 292</span>
<span id="293"> 293</span>
<span id="294"> 294</span>
<span id="295"> 295</span>
<span id="296"> 296</span>
<span id="297"> 297</span>
<span id="298"> 298</span>
<span id="299"> 299</span>
<span id="300"> 300</span>
<span id="301"> 301</span>
<span id="302"> 302</span>
<span id="303"> 303</span>
<span id="304"> 304</span>
<span id="305"> 305</span>
<span id="306"> 306</span>
<span id="307"> 307</span>
<span id="308"> 308</span>
<span id="309"> 309</span>
<span id="310"> 310</span>
<span id="311"> 311</span>
<span id="312"> 312</span>
<span id="313"> 313</span>
<span id="314"> 314</span>
<span id="315"> 315</span>
<span id="316"> 316</span>
<span id="317"> 317</span>
<span id="318"> 318</span>
<span id="319"> 319</span>
<span id="320"> 320</span>
<span id="321"> 321</span>
<span id="322"> 322</span>
<span id="323"> 323</span>
<span id="324"> 324</span>
<span id="325"> 325</span>
<span id="326"> 326</span>
<span id="327"> 327</span>
<span id="328"> 328</span>
<span id="329"> 329</span>
<span id="330"> 330</span>
<span id="331"> 331</span>
<span id="332"> 332</span>
<span id="333"> 333</span>
<span id="334"> 334</span>
<span id="335"> 335</span>
<span id="336"> 336</span>
<span id="337"> 337</span>
<span id="338"> 338</span>
<span id="339"> 339</span>
<span id="340"> 340</span>
<span id="341"> 341</span>
<span id="342"> 342</span>
<span id="343"> 343</span>
<span id="344"> 344</span>
<span id="345"> 345</span>
<span id="346"> 346</span>
<span id="347"> 347</span>
<span id="348"> 348</span>
<span id="349"> 349</span>
<span id="350"> 350</span>
<span id="351"> 351</span>
<span id="352"> 352</span>
<span id="353"> 353</span>
<span id="354"> 354</span>
<span id="355"> 355</span>
<span id="356"> 356</span>
<span id="357"> 357</span>
<span id="358"> 358</span>
<span id="359"> 359</span>
<span id="360"> 360</span>
<span id="361"> 361</span>
<span id="362"> 362</span>
<span id="363"> 363</span>
<span id="364"> 364</span>
<span id="365"> 365</span>
<span id="366"> 366</span>
<span id="367"> 367</span>
<span id="368"> 368</span>
<span id="369"> 369</span>
<span id="370"> 370</span>
<span id="371"> 371</span>
<span id="372"> 372</span>
<span id="373"> 373</span>
<span id="374"> 374</span>
<span id="375"> 375</span>
<span id="376"> 376</span>
<span id="377"> 377</span>
<span id="378"> 378</span>
<span id="379"> 379</span>
<span id="380"> 380</span>
<span id="381"> 381</span>
<span id="382"> 382</span>
<span id="383"> 383</span>
<span id="384"> 384</span>
<span id="385"> 385</span>
<span id="386"> 386</span>
<span id="387"> 387</span>
<span id="388"> 388</span>
<span id="389"> 389</span>
<span id="390"> 390</span>
<span id="391"> 391</span>
<span id="392"> 392</span>
<span id="393"> 393</span>
<span id="394"> 394</span>
<span id="395"> 395</span>
<span id="396"> 396</span>
<span id="397"> 397</span>
<span id="398"> 398</span>
<span id="399"> 399</span>
<span id="400"> 400</span>
<span id="401"> 401</span>
<span id="402"> 402</span>
<span id="403"> 403</span>
<span id="404"> 404</span>
<span id="405"> 405</span>
<span id="406"> 406</span>
<span id="407"> 407</span>
<span id="408"> 408</span>
<span id="409"> 409</span>
<span id="410"> 410</span>
<span id="411"> 411</span>
<span id="412"> 412</span>
<span id="413"> 413</span>
<span id="414"> 414</span>
<span id="415"> 415</span>
<span id="416"> 416</span>
<span id="417"> 417</span>
<span id="418"> 418</span>
<span id="419"> 419</span>
<span id="420"> 420</span>
<span id="421"> 421</span>
<span id="422"> 422</span>
<span id="423"> 423</span>
<span id="424"> 424</span>
<span id="425"> 425</span>
<span id="426"> 426</span>
<span id="427"> 427</span>
<span id="428"> 428</span>
<span id="429"> 429</span>
<span id="430"> 430</span>
<span id="431"> 431</span>
<span id="432"> 432</span>
<span id="433"> 433</span>
<span id="434"> 434</span>
<span id="435"> 435</span>
<span id="436"> 436</span>
<span id="437"> 437</span>
<span id="438"> 438</span>
<span id="439"> 439</span>
<span id="440"> 440</span>
<span id="441"> 441</span>
<span id="442"> 442</span>
<span id="443"> 443</span>
<span id="444"> 444</span>
<span id="445"> 445</span>
<span id="446"> 446</span>
<span id="447"> 447</span>
<span id="448"> 448</span>
<span id="449"> 449</span>
<span id="450"> 450</span>
<span id="451"> 451</span>
<span id="452"> 452</span>
<span id="453"> 453</span>
<span id="454"> 454</span>
<span id="455"> 455</span>
<span id="456"> 456</span>
<span id="457"> 457</span>
<span id="458"> 458</span>
<span id="459"> 459</span>
<span id="460"> 460</span>
<span id="461"> 461</span>
<span id="462"> 462</span>
<span id="463"> 463</span>
<span id="464"> 464</span>
<span id="465"> 465</span>
<span id="466"> 466</span>
<span id="467"> 467</span>
<span id="468"> 468</span>
<span id="469"> 469</span>
<span id="470"> 470</span>
<span id="471"> 471</span>
<span id="472"> 472</span>
<span id="473"> 473</span>
<span id="474"> 474</span>
<span id="475"> 475</span>
<span id="476"> 476</span>
<span id="477"> 477</span>
<span id="478"> 478</span>
<span id="479"> 479</span>
<span id="480"> 480</span>
<span id="481"> 481</span>
<span id="482"> 482</span>
<span id="483"> 483</span>
<span id="484"> 484</span>
<span id="485"> 485</span>
<span id="486"> 486</span>
<span id="487"> 487</span>
<span id="488"> 488</span>
<span id="489"> 489</span>
<span id="490"> 490</span>
<span id="491"> 491</span>
<span id="492"> 492</span>
<span id="493"> 493</span>
<span id="494"> 494</span>
<span id="495"> 495</span>
<span id="496"> 496</span>
<span id="497"> 497</span>
<span id="498"> 498</span>
<span id="499"> 499</span>
<span id="500"> 500</span>
<span id="501"> 501</span>
<span id="502"> 502</span>
<span id="503"> 503</span>
<span id="504"> 504</span>
<span id="505"> 505</span>
<span id="506"> 506</span>
<span id="507"> 507</span>
<span id="508"> 508</span>
<span id="509"> 509</span>
<span id="510"> 510</span>
<span id="511"> 511</span>
<span id="512"> 512</span>
<span id="513"> 513</span>
<span id="514"> 514</span>
<span id="515"> 515</span>
<span id="516"> 516</span>
<span id="517"> 517</span>
<span id="518"> 518</span>
<span id="519"> 519</span>
<span id="520"> 520</span>
<span id="521"> 521</span>
<span id="522"> 522</span>
<span id="523"> 523</span>
<span id="524"> 524</span>
<span id="525"> 525</span>
<span id="526"> 526</span>
<span id="527"> 527</span>
<span id="528"> 528</span>
<span id="529"> 529</span>
<span id="530"> 530</span>
<span id="531"> 531</span>
<span id="532"> 532</span>
<span id="533"> 533</span>
<span id="534"> 534</span>
<span id="535"> 535</span>
<span id="536"> 536</span>
<span id="537"> 537</span>
<span id="538"> 538</span>
<span id="539"> 539</span>
<span id="540"> 540</span>
<span id="541"> 541</span>
<span id="542"> 542</span>
<span id="543"> 543</span>
<span id="544"> 544</span>
<span id="545"> 545</span>
<span id="546"> 546</span>
<span id="547"> 547</span>
<span id="548"> 548</span>
<span id="549"> 549</span>
<span id="550"> 550</span>
<span id="551"> 551</span>
<span id="552"> 552</span>
<span id="553"> 553</span>
<span id="554"> 554</span>
<span id="555"> 555</span>
<span id="556"> 556</span>
<span id="557"> 557</span>
<span id="558"> 558</span>
<span id="559"> 559</span>
<span id="560"> 560</span>
<span id="561"> 561</span>
<span id="562"> 562</span>
<span id="563"> 563</span>
<span id="564"> 564</span>
<span id="565"> 565</span>
<span id="566"> 566</span>
<span id="567"> 567</span>
<span id="568"> 568</span>
<span id="569"> 569</span>
<span id="570"> 570</span>
<span id="571"> 571</span>
<span id="572"> 572</span>
<span id="573"> 573</span>
<span id="574"> 574</span>
<span id="575"> 575</span>
<span id="576"> 576</span>
<span id="577"> 577</span>
<span id="578"> 578</span>
<span id="579"> 579</span>
<span id="580"> 580</span>
<span id="581"> 581</span>
<span id="582"> 582</span>
<span id="583"> 583</span>
<span id="584"> 584</span>
<span id="585"> 585</span>
<span id="586"> 586</span>
<span id="587"> 587</span>
<span id="588"> 588</span>
<span id="589"> 589</span>
<span id="590"> 590</span>
<span id="591"> 591</span>
<span id="592"> 592</span>
<span id="593"> 593</span>
<span id="594"> 594</span>
<span id="595"> 595</span>
<span id="596"> 596</span>
<span id="597"> 597</span>
<span id="598"> 598</span>
<span id="599"> 599</span>
<span id="600"> 600</span>
<span id="601"> 601</span>
<span id="602"> 602</span>
<span id="603"> 603</span>
<span id="604"> 604</span>
<span id="605"> 605</span>
<span id="606"> 606</span>
<span id="607"> 607</span>
<span id="608"> 608</span>
<span id="609"> 609</span>
<span id="610"> 610</span>
<span id="611"> 611</span>
<span id="612"> 612</span>
<span id="613"> 613</span>
<span id="614"> 614</span>
<span id="615"> 615</span>
<span id="616"> 616</span>
<span id="617"> 617</span>
<span id="618"> 618</span>
<span id="619"> 619</span>
<span id="620"> 620</span>
<span id="621"> 621</span>
<span id="622"> 622</span>
<span id="623"> 623</span>
<span id="624"> 624</span>
<span id="625"> 625</span>
<span id="626"> 626</span>
<span id="627"> 627</span>
<span id="628"> 628</span>
<span id="629"> 629</span>
<span id="630"> 630</span>
<span id="631"> 631</span>
<span id="632"> 632</span>
<span id="633"> 633</span>
<span id="634"> 634</span>
<span id="635"> 635</span>
<span id="636"> 636</span>
<span id="637"> 637</span>
<span id="638"> 638</span>
<span id="639"> 639</span>
<span id="640"> 640</span>
<span id="641"> 641</span>
<span id="642"> 642</span>
<span id="643"> 643</span>
<span id="644"> 644</span>
<span id="645"> 645</span>
<span id="646"> 646</span>
<span id="647"> 647</span>
<span id="648"> 648</span>
<span id="649"> 649</span>
<span id="650"> 650</span>
<span id="651"> 651</span>
<span id="652"> 652</span>
<span id="653"> 653</span>
<span id="654"> 654</span>
<span id="655"> 655</span>
<span id="656"> 656</span>
<span id="657"> 657</span>
<span id="658"> 658</span>
<span id="659"> 659</span>
<span id="660"> 660</span>
<span id="661"> 661</span>
<span id="662"> 662</span>
<span id="663"> 663</span>
<span id="664"> 664</span>
<span id="665"> 665</span>
<span id="666"> 666</span>
<span id="667"> 667</span>
<span id="668"> 668</span>
<span id="669"> 669</span>
<span id="670"> 670</span>
<span id="671"> 671</span>
<span id="672"> 672</span>
<span id="673"> 673</span>
<span id="674"> 674</span>
<span id="675"> 675</span>
<span id="676"> 676</span>
<span id="677"> 677</span>
<span id="678"> 678</span>
<span id="679"> 679</span>
<span id="680"> 680</span>
<span id="681"> 681</span>
<span id="682"> 682</span>
<span id="683"> 683</span>
<span id="684"> 684</span>
<span id="685"> 685</span>
<span id="686"> 686</span>
<span id="687"> 687</span>
<span id="688"> 688</span>
<span id="689"> 689</span>
<span id="690"> 690</span>
<span id="691"> 691</span>
<span id="692"> 692</span>
<span id="693"> 693</span>
<span id="694"> 694</span>
<span id="695"> 695</span>
<span id="696"> 696</span>
<span id="697"> 697</span>
<span id="698"> 698</span>
<span id="699"> 699</span>
<span id="700"> 700</span>
<span id="701"> 701</span>
<span id="702"> 702</span>
<span id="703"> 703</span>
<span id="704"> 704</span>
<span id="705"> 705</span>
<span id="706"> 706</span>
<span id="707"> 707</span>
<span id="708"> 708</span>
<span id="709"> 709</span>
<span id="710"> 710</span>
<span id="711"> 711</span>
<span id="712"> 712</span>
<span id="713"> 713</span>
<span id="714"> 714</span>
<span id="715"> 715</span>
<span id="716"> 716</span>
<span id="717"> 717</span>
<span id="718"> 718</span>
<span id="719"> 719</span>
<span id="720"> 720</span>
<span id="721"> 721</span>
<span id="722"> 722</span>
<span id="723"> 723</span>
<span id="724"> 724</span>
<span id="725"> 725</span>
<span id="726"> 726</span>
<span id="727"> 727</span>
<span id="728"> 728</span>
<span id="729"> 729</span>
<span id="730"> 730</span>
<span id="731"> 731</span>
<span id="732"> 732</span>
<span id="733"> 733</span>
<span id="734"> 734</span>
<span id="735"> 735</span>
<span id="736"> 736</span>
<span id="737"> 737</span>
<span id="738"> 738</span>
<span id="739"> 739</span>
<span id="740"> 740</span>
<span id="741"> 741</span>
<span id="742"> 742</span>
<span id="743"> 743</span>
<span id="744"> 744</span>
<span id="745"> 745</span>
<span id="746"> 746</span>
<span id="747"> 747</span>
<span id="748"> 748</span>
<span id="749"> 749</span>
<span id="750"> 750</span>
<span id="751"> 751</span>
<span id="752"> 752</span>
<span id="753"> 753</span>
<span id="754"> 754</span>
<span id="755"> 755</span>
<span id="756"> 756</span>
<span id="757"> 757</span>
<span id="758"> 758</span>
<span id="759"> 759</span>
<span id="760"> 760</span>
<span id="761"> 761</span>
<span id="762"> 762</span>
<span id="763"> 763</span>
<span id="764"> 764</span>
<span id="765"> 765</span>
<span id="766"> 766</span>
<span id="767"> 767</span>
<span id="768"> 768</span>
<span id="769"> 769</span>
<span id="770"> 770</span>
<span id="771"> 771</span>
<span id="772"> 772</span>
<span id="773"> 773</span>
<span id="774"> 774</span>
<span id="775"> 775</span>
<span id="776"> 776</span>
<span id="777"> 777</span>
<span id="778"> 778</span>
<span id="779"> 779</span>
<span id="780"> 780</span>
<span id="781"> 781</span>
<span id="782"> 782</span>
<span id="783"> 783</span>
<span id="784"> 784</span>
<span id="785"> 785</span>
<span id="786"> 786</span>
<span id="787"> 787</span>
<span id="788"> 788</span>
<span id="789"> 789</span>
<span id="790"> 790</span>
<span id="791"> 791</span>
<span id="792"> 792</span>
<span id="793"> 793</span>
<span id="794"> 794</span>
<span id="795"> 795</span>
<span id="796"> 796</span>
<span id="797"> 797</span>
<span id="798"> 798</span>
<span id="799"> 799</span>
<span id="800"> 800</span>
<span id="801"> 801</span>
<span id="802"> 802</span>
<span id="803"> 803</span>
<span id="804"> 804</span>
<span id="805"> 805</span>
<span id="806"> 806</span>
<span id="807"> 807</span>
<span id="808"> 808</span>
<span id="809"> 809</span>
<span id="810"> 810</span>
<span id="811"> 811</span>
<span id="812"> 812</span>
<span id="813"> 813</span>
<span id="814"> 814</span>
<span id="815"> 815</span>
<span id="816"> 816</span>
<span id="817"> 817</span>
<span id="818"> 818</span>
<span id="819"> 819</span>
<span id="820"> 820</span>
<span id="821"> 821</span>
<span id="822"> 822</span>
<span id="823"> 823</span>
<span id="824"> 824</span>
<span id="825"> 825</span>
<span id="826"> 826</span>
<span id="827"> 827</span>
<span id="828"> 828</span>
<span id="829"> 829</span>
<span id="830"> 830</span>
<span id="831"> 831</span>
<span id="832"> 832</span>
<span id="833"> 833</span>
<span id="834"> 834</span>
<span id="835"> 835</span>
<span id="836"> 836</span>
<span id="837"> 837</span>
<span id="838"> 838</span>
<span id="839"> 839</span>
<span id="840"> 840</span>
<span id="841"> 841</span>
<span id="842"> 842</span>
<span id="843"> 843</span>
<span id="844"> 844</span>
<span id="845"> 845</span>
<span id="846"> 846</span>
<span id="847"> 847</span>
<span id="848"> 848</span>
<span id="849"> 849</span>
<span id="850"> 850</span>
<span id="851"> 851</span>
<span id="852"> 852</span>
<span id="853"> 853</span>
<span id="854"> 854</span>
<span id="855"> 855</span>
<span id="856"> 856</span>
<span id="857"> 857</span>
<span id="858"> 858</span>
<span id="859"> 859</span>
<span id="860"> 860</span>
<span id="861"> 861</span>
<span id="862"> 862</span>
<span id="863"> 863</span>
<span id="864"> 864</span>
<span id="865"> 865</span>
<span id="866"> 866</span>
<span id="867"> 867</span>
<span id="868"> 868</span>
<span id="869"> 869</span>
<span id="870"> 870</span>
<span id="871"> 871</span>
<span id="872"> 872</span>
<span id="873"> 873</span>
<span id="874"> 874</span>
<span id="875"> 875</span>
<span id="876"> 876</span>
<span id="877"> 877</span>
<span id="878"> 878</span>
<span id="879"> 879</span>
<span id="880"> 880</span>
<span id="881"> 881</span>
<span id="882"> 882</span>
<span id="883"> 883</span>
<span id="884"> 884</span>
<span id="885"> 885</span>
<span id="886"> 886</span>
<span id="887"> 887</span>
<span id="888"> 888</span>
<span id="889"> 889</span>
<span id="890"> 890</span>
<span id="891"> 891</span>
<span id="892"> 892</span>
<span id="893"> 893</span>
<span id="894"> 894</span>
<span id="895"> 895</span>
<span id="896"> 896</span>
<span id="897"> 897</span>
<span id="898"> 898</span>
<span id="899"> 899</span>
<span id="900"> 900</span>
<span id="901"> 901</span>
<span id="902"> 902</span>
<span id="903"> 903</span>
<span id="904"> 904</span>
<span id="905"> 905</span>
<span id="906"> 906</span>
<span id="907"> 907</span>
<span id="908"> 908</span>
<span id="909"> 909</span>
<span id="910"> 910</span>
<span id="911"> 911</span>
<span id="912"> 912</span>
<span id="913"> 913</span>
<span id="914"> 914</span>
<span id="915"> 915</span>
<span id="916"> 916</span>
<span id="917"> 917</span>
<span id="918"> 918</span>
<span id="919"> 919</span>
<span id="920"> 920</span>
<span id="921"> 921</span>
<span id="922"> 922</span>
<span id="923"> 923</span>
<span id="924"> 924</span>
<span id="925"> 925</span>
<span id="926"> 926</span>
<span id="927"> 927</span>
<span id="928"> 928</span>
<span id="929"> 929</span>
<span id="930"> 930</span>
<span id="931"> 931</span>
<span id="932"> 932</span>
<span id="933"> 933</span>
<span id="934"> 934</span>
<span id="935"> 935</span>
<span id="936"> 936</span>
<span id="937"> 937</span>
<span id="938"> 938</span>
<span id="939"> 939</span>
<span id="940"> 940</span>
<span id="941"> 941</span>
<span id="942"> 942</span>
<span id="943"> 943</span>
<span id="944"> 944</span>
<span id="945"> 945</span>
<span id="946"> 946</span>
<span id="947"> 947</span>
<span id="948"> 948</span>
<span id="949"> 949</span>
<span id="950"> 950</span>
<span id="951"> 951</span>
<span id="952"> 952</span>
<span id="953"> 953</span>
<span id="954"> 954</span>
<span id="955"> 955</span>
<span id="956"> 956</span>
<span id="957"> 957</span>
<span id="958"> 958</span>
<span id="959"> 959</span>
<span id="960"> 960</span>
<span id="961"> 961</span>
<span id="962"> 962</span>
<span id="963"> 963</span>
<span id="964"> 964</span>
<span id="965"> 965</span>
<span id="966"> 966</span>
<span id="967"> 967</span>
<span id="968"> 968</span>
<span id="969"> 969</span>
<span id="970"> 970</span>
<span id="971"> 971</span>
<span id="972"> 972</span>
<span id="973"> 973</span>
<span id="974"> 974</span>
<span id="975"> 975</span>
<span id="976"> 976</span>
<span id="977"> 977</span>
<span id="978"> 978</span>
<span id="979"> 979</span>
<span id="980"> 980</span>
<span id="981"> 981</span>
<span id="982"> 982</span>
<span id="983"> 983</span>
<span id="984"> 984</span>
<span id="985"> 985</span>
<span id="986"> 986</span>
<span id="987"> 987</span>
<span id="988"> 988</span>
<span id="989"> 989</span>
<span id="990"> 990</span>
<span id="991"> 991</span>
<span id="992"> 992</span>
<span id="993"> 993</span>
<span id="994"> 994</span>
<span id="995"> 995</span>
<span id="996"> 996</span>
<span id="997"> 997</span>
<span id="998"> 998</span>
<span id="999"> 999</span>
<span id="1000">1000</span>
<span id="1001">1001</span>
<span id="1002">1002</span>
<span id="1003">1003</span>
<span id="1004">1004</span>
<span id="1005">1005</span>
<span id="1006">1006</span>
<span id="1007">1007</span>
<span id="1008">1008</span>
<span id="1009">1009</span>
<span id="1010">1010</span>
<span id="1011">1011</span>
<span id="1012">1012</span>
<span id="1013">1013</span>
<span id="1014">1014</span>
<span id="1015">1015</span>
<span id="1016">1016</span>
<span id="1017">1017</span>
<span id="1018">1018</span>
<span id="1019">1019</span>
<span id="1020">1020</span>
<span id="1021">1021</span>
<span id="1022">1022</span>
<span id="1023">1023</span>
<span id="1024">1024</span>
<span id="1025">1025</span>
<span id="1026">1026</span>
<span id="1027">1027</span>
<span id="1028">1028</span>
<span id="1029">1029</span>
<span id="1030">1030</span>
<span id="1031">1031</span>
<span id="1032">1032</span>
<span id="1033">1033</span>
<span id="1034">1034</span>
<span id="1035">1035</span>
<span id="1036">1036</span>
<span id="1037">1037</span>
<span id="1038">1038</span>
<span id="1039">1039</span>
<span id="1040">1040</span>
<span id="1041">1041</span>
<span id="1042">1042</span>
<span id="1043">1043</span>
<span id="1044">1044</span>
<span id="1045">1045</span>
<span id="1046">1046</span>
<span id="1047">1047</span>
<span id="1048">1048</span>
<span id="1049">1049</span>
<span id="1050">1050</span>
<span id="1051">1051</span>
<span id="1052">1052</span>
<span id="1053">1053</span>
<span id="1054">1054</span>
<span id="1055">1055</span>
<span id="1056">1056</span>
<span id="1057">1057</span>
<span id="1058">1058</span>
<span id="1059">1059</span>
<span id="1060">1060</span>
<span id="1061">1061</span>
<span id="1062">1062</span>
<span id="1063">1063</span>
<span id="1064">1064</span>
<span id="1065">1065</span>
<span id="1066">1066</span>
<span id="1067">1067</span>
<span id="1068">1068</span>
<span id="1069">1069</span>
<span id="1070">1070</span>
<span id="1071">1071</span>
<span id="1072">1072</span>
<span id="1073">1073</span>
<span id="1074">1074</span>
<span id="1075">1075</span>
<span id="1076">1076</span>
<span id="1077">1077</span>
<span id="1078">1078</span>
<span id="1079">1079</span>
<span id="1080">1080</span>
<span id="1081">1081</span>
<span id="1082">1082</span>
<span id="1083">1083</span>
<span id="1084">1084</span>
<span id="1085">1085</span>
<span id="1086">1086</span>
<span id="1087">1087</span>
<span id="1088">1088</span>
<span id="1089">1089</span>
<span id="1090">1090</span>
<span id="1091">1091</span>
<span id="1092">1092</span>
<span id="1093">1093</span>
<span id="1094">1094</span>
<span id="1095">1095</span>
<span id="1096">1096</span>
<span id="1097">1097</span>
<span id="1098">1098</span>
<span id="1099">1099</span>
<span id="1100">1100</span>
<span id="1101">1101</span>
<span id="1102">1102</span>
<span id="1103">1103</span>
<span id="1104">1104</span>
<span id="1105">1105</span>
<span id="1106">1106</span>
<span id="1107">1107</span>
<span id="1108">1108</span>
<span id="1109">1109</span>
<span id="1110">1110</span>
<span id="1111">1111</span>
<span id="1112">1112</span>
<span id="1113">1113</span>
<span id="1114">1114</span>
<span id="1115">1115</span>
<span id="1116">1116</span>
<span id="1117">1117</span>
<span id="1118">1118</span>
<span id="1119">1119</span>
<span id="1120">1120</span>
<span id="1121">1121</span>
<span id="1122">1122</span>
<span id="1123">1123</span>
<span id="1124">1124</span>
<span id="1125">1125</span>
<span id="1126">1126</span>
<span id="1127">1127</span>
<span id="1128">1128</span>
<span id="1129">1129</span>
<span id="1130">1130</span>
<span id="1131">1131</span>
<span id="1132">1132</span>
<span id="1133">1133</span>
<span id="1134">1134</span>
<span id="1135">1135</span>
<span id="1136">1136</span>
<span id="1137">1137</span>
<span id="1138">1138</span>
<span id="1139">1139</span>
<span id="1140">1140</span>
<span id="1141">1141</span>
<span id="1142">1142</span>
<span id="1143">1143</span>
<span id="1144">1144</span>
<span id="1145">1145</span>
<span id="1146">1146</span>
<span id="1147">1147</span>
<span id="1148">1148</span>
<span id="1149">1149</span>
<span id="1150">1150</span>
<span id="1151">1151</span>
<span id="1152">1152</span>
<span id="1153">1153</span>
<span id="1154">1154</span>
<span id="1155">1155</span>
<span id="1156">1156</span>
<span id="1157">1157</span>
<span id="1158">1158</span>
<span id="1159">1159</span>
<span id="1160">1160</span>
<span id="1161">1161</span>
<span id="1162">1162</span>
<span id="1163">1163</span>
<span id="1164">1164</span>
<span id="1165">1165</span>
<span id="1166">1166</span>
<span id="1167">1167</span>
<span id="1168">1168</span>
<span id="1169">1169</span>
<span id="1170">1170</span>
<span id="1171">1171</span>
<span id="1172">1172</span>
<span id="1173">1173</span>
<span id="1174">1174</span>
<span id="1175">1175</span>
<span id="1176">1176</span>
<span id="1177">1177</span>
<span id="1178">1178</span>
<span id="1179">1179</span>
<span id="1180">1180</span>
<span id="1181">1181</span>
<span id="1182">1182</span>
<span id="1183">1183</span>
<span id="1184">1184</span>
<span id="1185">1185</span>
<span id="1186">1186</span>
<span id="1187">1187</span>
<span id="1188">1188</span>
<span id="1189">1189</span>
<span id="1190">1190</span>
<span id="1191">1191</span>
<span id="1192">1192</span>
<span id="1193">1193</span>
<span id="1194">1194</span>
<span id="1195">1195</span>
<span id="1196">1196</span>
<span id="1197">1197</span>
<span id="1198">1198</span>
<span id="1199">1199</span>
<span id="1200">1200</span>
<span id="1201">1201</span>
<span id="1202">1202</span>
<span id="1203">1203</span>
<span id="1204">1204</span>
<span id="1205">1205</span>
<span id="1206">1206</span>
<span id="1207">1207</span>
<span id="1208">1208</span>
<span id="1209">1209</span>
<span id="1210">1210</span>
<span id="1211">1211</span>
<span id="1212">1212</span>
<span id="1213">1213</span>
<span id="1214">1214</span>
<span id="1215">1215</span>
<span id="1216">1216</span>
<span id="1217">1217</span>
<span id="1218">1218</span>
<span id="1219">1219</span>
<span id="1220">1220</span>
<span id="1221">1221</span>
<span id="1222">1222</span>
<span id="1223">1223</span>
<span id="1224">1224</span>
<span id="1225">1225</span>
<span id="1226">1226</span>
<span id="1227">1227</span>
<span id="1228">1228</span>
<span id="1229">1229</span>
<span id="1230">1230</span>
<span id="1231">1231</span>
<span id="1232">1232</span>
<span id="1233">1233</span>
<span id="1234">1234</span>
<span id="1235">1235</span>
<span id="1236">1236</span>
<span id="1237">1237</span>
<span id="1238">1238</span>
<span id="1239">1239</span>
<span id="1240">1240</span>
<span id="1241">1241</span>
<span id="1242">1242</span>
<span id="1243">1243</span>
<span id="1244">1244</span>
<span id="1245">1245</span>
<span id="1246">1246</span>
<span id="1247">1247</span>
<span id="1248">1248</span>
<span id="1249">1249</span>
<span id="1250">1250</span>
<span id="1251">1251</span>
<span id="1252">1252</span>
<span id="1253">1253</span>
<span id="1254">1254</span>
<span id="1255">1255</span>
<span id="1256">1256</span>
<span id="1257">1257</span>
<span id="1258">1258</span>
<span id="1259">1259</span>
<span id="1260">1260</span>
<span id="1261">1261</span>
<span id="1262">1262</span>
<span id="1263">1263</span>
<span id="1264">1264</span>
<span id="1265">1265</span>
<span id="1266">1266</span>
<span id="1267">1267</span>
<span id="1268">1268</span>
<span id="1269">1269</span>
<span id="1270">1270</span>
<span id="1271">1271</span>
<span id="1272">1272</span>
<span id="1273">1273</span>
<span id="1274">1274</span>
<span id="1275">1275</span>
<span id="1276">1276</span>
<span id="1277">1277</span>
<span id="1278">1278</span>
<span id="1279">1279</span>
<span id="1280">1280</span>
<span id="1281">1281</span>
<span id="1282">1282</span>
<span id="1283">1283</span>
<span id="1284">1284</span>
<span id="1285">1285</span>
<span id="1286">1286</span>
<span id="1287">1287</span>
<span id="1288">1288</span>
<span id="1289">1289</span>
<span id="1290">1290</span>
<span id="1291">1291</span>
<span id="1292">1292</span>
<span id="1293">1293</span>
<span id="1294">1294</span>
<span id="1295">1295</span>
<span id="1296">1296</span>
<span id="1297">1297</span>
<span id="1298">1298</span>
<span id="1299">1299</span>
<span id="1300">1300</span>
<span id="1301">1301</span>
<span id="1302">1302</span>
<span id="1303">1303</span>
<span id="1304">1304</span>
<span id="1305">1305</span>
<span id="1306">1306</span>
<span id="1307">1307</span>
<span id="1308">1308</span>
<span id="1309">1309</span>
<span id="1310">1310</span>
<span id="1311">1311</span>
<span id="1312">1312</span>
<span id="1313">1313</span>
<span id="1314">1314</span>
<span id="1315">1315</span>
<span id="1316">1316</span>
<span id="1317">1317</span>
<span id="1318">1318</span>
<span id="1319">1319</span>
<span id="1320">1320</span>
<span id="1321">1321</span>
<span id="1322">1322</span>
<span id="1323">1323</span>
<span id="1324">1324</span>
<span id="1325">1325</span>
<span id="1326">1326</span>
<span id="1327">1327</span>
<span id="1328">1328</span>
<span id="1329">1329</span>
<span id="1330">1330</span>
<span id="1331">1331</span>
<span id="1332">1332</span>
<span id="1333">1333</span>
<span id="1334">1334</span>
<span id="1335">1335</span>
<span id="1336">1336</span>
<span id="1337">1337</span>
<span id="1338">1338</span>
<span id="1339">1339</span>
<span id="1340">1340</span>
<span id="1341">1341</span>
<span id="1342">1342</span>
<span id="1343">1343</span>
<span id="1344">1344</span>
<span id="1345">1345</span>
<span id="1346">1346</span>
<span id="1347">1347</span>
<span id="1348">1348</span>
<span id="1349">1349</span>
<span id="1350">1350</span>
<span id="1351">1351</span>
<span id="1352">1352</span>
<span id="1353">1353</span>
<span id="1354">1354</span>
<span id="1355">1355</span>
<span id="1356">1356</span>
<span id="1357">1357</span>
<span id="1358">1358</span>
<span id="1359">1359</span>
<span id="1360">1360</span>
<span id="1361">1361</span>
<span id="1362">1362</span>
<span id="1363">1363</span>
<span id="1364">1364</span>
<span id="1365">1365</span>
<span id="1366">1366</span>
<span id="1367">1367</span>
<span id="1368">1368</span>
<span id="1369">1369</span>
<span id="1370">1370</span>
<span id="1371">1371</span>
<span id="1372">1372</span>
<span id="1373">1373</span>
<span id="1374">1374</span>
<span id="1375">1375</span>
<span id="1376">1376</span>
<span id="1377">1377</span>
<span id="1378">1378</span>
<span id="1379">1379</span>
<span id="1380">1380</span>
<span id="1381">1381</span>
<span id="1382">1382</span>
<span id="1383">1383</span>
<span id="1384">1384</span>
<span id="1385">1385</span>
<span id="1386">1386</span>
<span id="1387">1387</span>
<span id="1388">1388</span>
<span id="1389">1389</span>
<span id="1390">1390</span>
<span id="1391">1391</span>
<span id="1392">1392</span>
<span id="1393">1393</span>
<span id="1394">1394</span>
<span id="1395">1395</span>
<span id="1396">1396</span>
<span id="1397">1397</span>
<span id="1398">1398</span>
<span id="1399">1399</span>
<span id="1400">1400</span>
<span id="1401">1401</span>
<span id="1402">1402</span>
<span id="1403">1403</span>
<span id="1404">1404</span>
<span id="1405">1405</span>
<span id="1406">1406</span>
<span id="1407">1407</span>
<span id="1408">1408</span>
<span id="1409">1409</span>
<span id="1410">1410</span>
<span id="1411">1411</span>
<span id="1412">1412</span>
<span id="1413">1413</span>
<span id="1414">1414</span>
<span id="1415">1415</span>
<span id="1416">1416</span>
<span id="1417">1417</span>
<span id="1418">1418</span>
<span id="1419">1419</span>
<span id="1420">1420</span>
<span id="1421">1421</span>
<span id="1422">1422</span>
<span id="1423">1423</span>
<span id="1424">1424</span>
<span id="1425">1425</span>
<span id="1426">1426</span>
<span id="1427">1427</span>
<span id="1428">1428</span>
<span id="1429">1429</span>
<span id="1430">1430</span>
<span id="1431">1431</span>
<span id="1432">1432</span>
<span id="1433">1433</span>
<span id="1434">1434</span>
<span id="1435">1435</span>
<span id="1436">1436</span>
<span id="1437">1437</span>
<span id="1438">1438</span>
<span id="1439">1439</span>
<span id="1440">1440</span>
<span id="1441">1441</span>
<span id="1442">1442</span>
<span id="1443">1443</span>
<span id="1444">1444</span>
<span id="1445">1445</span>
<span id="1446">1446</span>
<span id="1447">1447</span>
<span id="1448">1448</span>
<span id="1449">1449</span>
<span id="1450">1450</span>
<span id="1451">1451</span>
<span id="1452">1452</span>
<span id="1453">1453</span>
<span id="1454">1454</span>
<span id="1455">1455</span>
<span id="1456">1456</span>
<span id="1457">1457</span>
<span id="1458">1458</span>
<span id="1459">1459</span>
<span id="1460">1460</span>
<span id="1461">1461</span>
<span id="1462">1462</span>
</pre><pre class='rust '>
<span class='comment'>// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT</span>
<span class='comment'>// file at the top-level directory of this distribution and at</span>
<span class='comment'>// http://rust-lang.org/COPYRIGHT.</span>
<span class='comment'>//</span>
<span class='comment'>// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or</span>
<span class='comment'>// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license</span>
<span class='comment'>// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your</span>
<span class='comment'>// option. This file may not be copied, modified, or distributed</span>
<span class='comment'>// except according to those terms.</span>
<span class='doccomment'>//! An implementation of a set using a bit vector as an underlying</span>
<span class='doccomment'>//! representation for holding unsigned numerical elements.</span>
<span class='doccomment'>//!</span>
<span class='doccomment'>//! It should also be noted that the amount of storage necessary for holding a</span>
<span class='doccomment'>//! set of objects is proportional to the maximum of the objects when viewed</span>
<span class='doccomment'>//! as a `usize`.</span>
<span class='doccomment'>//!</span>
<span class='doccomment'>//! # Examples</span>
<span class='doccomment'>//!</span>
<span class='doccomment'>//! ```</span>
<span class='doccomment'>//! use bit_set::BitSet;</span>
<span class='doccomment'>//!</span>
<span class='doccomment'>//! // It's a regular set</span>
<span class='doccomment'>//! let mut s = BitSet::new();</span>
<span class='doccomment'>//! s.insert(0);</span>
<span class='doccomment'>//! s.insert(3);</span>
<span class='doccomment'>//! s.insert(7);</span>
<span class='doccomment'>//!</span>
<span class='doccomment'>//! s.remove(&7);</span>
<span class='doccomment'>//!</span>
<span class='doccomment'>//! if !s.contains(&7) {</span>
<span class='doccomment'>//! println!("There is no 7");</span>
<span class='doccomment'>//! }</span>
<span class='doccomment'>//!</span>
<span class='doccomment'>//! // Can initialize from a `BitVec`</span>
<span class='doccomment'>//! let other = BitSet::from_bytes(&[0b11010000]);</span>
<span class='doccomment'>//!</span>
<span class='doccomment'>//! s.union_with(&other);</span>
<span class='doccomment'>//!</span>
<span class='doccomment'>//! // Print 0, 1, 3 in some order</span>
<span class='doccomment'>//! for x in s.iter() {</span>
<span class='doccomment'>//! println!("{}", x);</span>
<span class='doccomment'>//! }</span>
<span class='doccomment'>//!</span>
<span class='doccomment'>//! // Can convert back to a `BitVec`</span>
<span class='doccomment'>//! let bv = s.into_bit_vec();</span>
<span class='doccomment'>//! assert!(bv[3]);</span>
<span class='doccomment'>//! ```</span>
<span class='attribute'>#<span class='op'>!</span>[<span class='ident'>cfg_attr</span>(<span class='ident'>all</span>(<span class='ident'>test</span>, <span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"nightly"</span>), <span class='ident'>feature</span>(<span class='ident'>test</span>))]</span>
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>all</span>(<span class='ident'>test</span>, <span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"nightly"</span>))]</span> <span class='kw'>extern</span> <span class='kw'>crate</span> <span class='ident'>test</span>;
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>all</span>(<span class='ident'>test</span>, <span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"nightly"</span>))]</span> <span class='kw'>extern</span> <span class='kw'>crate</span> <span class='ident'>rand</span>;
<span class='kw'>extern</span> <span class='kw'>crate</span> <span class='ident'>bit_vec</span>;
<span class='kw'>use</span> <span class='ident'>bit_vec</span>::{<span class='ident'>BitVec</span>, <span class='ident'>Blocks</span>, <span class='ident'>BitBlock</span>};
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>cmp</span>::<span class='ident'>Ordering</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>cmp</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>fmt</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>hash</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>iter</span>::{<span class='ident'>Chain</span>, <span class='ident'>Enumerate</span>, <span class='ident'>Repeat</span>, <span class='ident'>Skip</span>, <span class='ident'>Take</span>, <span class='ident'>repeat</span>};
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>iter</span>::{<span class='self'>self</span>, <span class='ident'>FromIterator</span>};
<span class='kw'>type</span> <span class='ident'>MatchWords</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span> <span class='op'>=</span> <span class='ident'>Chain</span><span class='op'><</span><span class='ident'>Enumerate</span><span class='op'><</span><span class='ident'>Blocks</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>>></span>, <span class='ident'>Skip</span><span class='op'><</span><span class='ident'>Take</span><span class='op'><</span><span class='ident'>Enumerate</span><span class='op'><</span><span class='ident'>Repeat</span><span class='op'><</span><span class='ident'>B</span><span class='op'>>></span><span class='op'>>></span><span class='op'>></span>;
<span class='doccomment'>/// Computes how many blocks are needed to store that many bits</span>
<span class='kw'>fn</span> <span class='ident'>blocks_for_bits</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span>(<span class='ident'>bits</span>: <span class='ident'>usize</span>) <span class='op'>-></span> <span class='ident'>usize</span> {
<span class='comment'>// If we want 17 bits, dividing by 32 will produce 0. So we add 1 to make sure we</span>
<span class='comment'>// reserve enough. But if we want exactly a multiple of 32, this will actually allocate</span>
<span class='comment'>// one too many. So we need to check if that's the case. We can do that by computing if</span>
<span class='comment'>// bitwise AND by `32 - 1` is 0. But LLVM should be able to optimize the semantically</span>
<span class='comment'>// superior modulo operator on a power of two to this.</span>
<span class='comment'>//</span>
<span class='comment'>// Note that we can technically avoid this branch with the expression</span>
<span class='comment'>// `(nbits + BITS - 1) / 32::BITS`, but if nbits is almost usize::MAX this will overflow.</span>
<span class='kw'>if</span> <span class='ident'>bits</span> <span class='op'>%</span> <span class='ident'>B</span>::<span class='ident'>bits</span>() <span class='op'>==</span> <span class='number'>0</span> {
<span class='ident'>bits</span> <span class='op'>/</span> <span class='ident'>B</span>::<span class='ident'>bits</span>()
} <span class='kw'>else</span> {
<span class='ident'>bits</span> <span class='op'>/</span> <span class='ident'>B</span>::<span class='ident'>bits</span>() <span class='op'>+</span> <span class='number'>1</span>
}
}
<span class='comment'>// Take two BitVec's, and return iterators of their words, where the shorter one</span>
<span class='comment'>// has been padded with 0's</span>
<span class='kw'>fn</span> <span class='ident'>match_words</span><span class='op'><</span><span class='lifetime'>'a</span>,<span class='lifetime'>'b</span>, <span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span>(<span class='ident'>a</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BitVec</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span>, <span class='ident'>b</span>: <span class='kw-2'>&</span><span class='lifetime'>'b</span> <span class='ident'>BitVec</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span>)
<span class='op'>-></span> (<span class='ident'>MatchWords</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span>, <span class='ident'>MatchWords</span><span class='op'><</span><span class='lifetime'>'b</span>, <span class='ident'>B</span><span class='op'>></span>) {
<span class='kw'>let</span> <span class='ident'>a_len</span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>storage</span>().<span class='ident'>len</span>();
<span class='kw'>let</span> <span class='ident'>b_len</span> <span class='op'>=</span> <span class='ident'>b</span>.<span class='ident'>storage</span>().<span class='ident'>len</span>();
<span class='comment'>// have to uselessly pretend to pad the longer one for type matching</span>
<span class='kw'>if</span> <span class='ident'>a_len</span> <span class='op'><</span> <span class='ident'>b_len</span> {
(<span class='ident'>a</span>.<span class='ident'>blocks</span>().<span class='ident'>enumerate</span>().<span class='ident'>chain</span>(<span class='ident'>iter</span>::<span class='ident'>repeat</span>(<span class='ident'>B</span>::<span class='ident'>zero</span>()).<span class='ident'>enumerate</span>().<span class='ident'>take</span>(<span class='ident'>b_len</span>).<span class='ident'>skip</span>(<span class='ident'>a_len</span>)),
<span class='ident'>b</span>.<span class='ident'>blocks</span>().<span class='ident'>enumerate</span>().<span class='ident'>chain</span>(<span class='ident'>iter</span>::<span class='ident'>repeat</span>(<span class='ident'>B</span>::<span class='ident'>zero</span>()).<span class='ident'>enumerate</span>().<span class='ident'>take</span>(<span class='number'>0</span>).<span class='ident'>skip</span>(<span class='number'>0</span>)))
} <span class='kw'>else</span> {
(<span class='ident'>a</span>.<span class='ident'>blocks</span>().<span class='ident'>enumerate</span>().<span class='ident'>chain</span>(<span class='ident'>iter</span>::<span class='ident'>repeat</span>(<span class='ident'>B</span>::<span class='ident'>zero</span>()).<span class='ident'>enumerate</span>().<span class='ident'>take</span>(<span class='number'>0</span>).<span class='ident'>skip</span>(<span class='number'>0</span>)),
<span class='ident'>b</span>.<span class='ident'>blocks</span>().<span class='ident'>enumerate</span>().<span class='ident'>chain</span>(<span class='ident'>iter</span>::<span class='ident'>repeat</span>(<span class='ident'>B</span>::<span class='ident'>zero</span>()).<span class='ident'>enumerate</span>().<span class='ident'>take</span>(<span class='ident'>a_len</span>).<span class='ident'>skip</span>(<span class='ident'>b_len</span>)))
}
}
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>=</span><span class='ident'>u32</span><span class='op'>></span> {
<span class='ident'>bit_vec</span>: <span class='ident'>BitVec</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span>,
}
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>Clone</span> <span class='kw'>for</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>clone</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='kw'>Self</span> {
<span class='ident'>BitSet</span> {
<span class='ident'>bit_vec</span>: <span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>clone</span>(),
}
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>Default</span> <span class='kw'>for</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>fn</span> <span class='ident'>default</span>() <span class='op'>-></span> <span class='kw'>Self</span> { <span class='ident'>BitSet</span> { <span class='ident'>bit_vec</span>: <span class='ident'>Default</span>::<span class='ident'>default</span>() } }
}
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>FromIterator</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span> <span class='kw'>for</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>from_iter</span><span class='op'><</span><span class='ident'>I</span>: <span class='ident'>IntoIterator</span><span class='op'><</span><span class='ident'>Item</span><span class='op'>=</span><span class='ident'>usize</span><span class='op'>>></span>(<span class='ident'>iter</span>: <span class='ident'>I</span>) <span class='op'>-></span> <span class='kw'>Self</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>ret</span>: <span class='kw'>Self</span> <span class='op'>=</span> <span class='ident'>Default</span>::<span class='ident'>default</span>();
<span class='ident'>ret</span>.<span class='ident'>extend</span>(<span class='ident'>iter</span>);
<span class='ident'>ret</span>
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>Extend</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span> <span class='kw'>for</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>fn</span> <span class='ident'>extend</span><span class='op'><</span><span class='ident'>I</span>: <span class='ident'>IntoIterator</span><span class='op'><</span><span class='ident'>Item</span><span class='op'>=</span><span class='ident'>usize</span><span class='op'>>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>iter</span>: <span class='ident'>I</span>) {
<span class='kw'>for</span> <span class='ident'>i</span> <span class='kw'>in</span> <span class='ident'>iter</span> {
<span class='self'>self</span>.<span class='ident'>insert</span>(<span class='ident'>i</span>);
}
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>PartialOrd</span> <span class='kw'>for</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>fn</span> <span class='ident'>partial_cmp</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='kw'>Self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>Ordering</span><span class='op'>></span> {
<span class='prelude-val'>Some</span>(<span class='self'>self</span>.<span class='ident'>cmp</span>(<span class='ident'>other</span>))
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>Ord</span> <span class='kw'>for</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>fn</span> <span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='kw'>Self</span>) <span class='op'>-></span> <span class='ident'>Ordering</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>iter</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>other</span>.<span class='ident'>iter</span>();
<span class='kw'>loop</span> {
<span class='kw'>match</span> (<span class='ident'>a</span>.<span class='ident'>next</span>(), <span class='ident'>b</span>.<span class='ident'>next</span>()) {
(<span class='prelude-val'>Some</span>(<span class='ident'>x</span>), <span class='prelude-val'>Some</span>(<span class='ident'>y</span>)) <span class='op'>=></span> <span class='kw'>match</span> <span class='ident'>x</span>.<span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='ident'>y</span>) {
<span class='ident'>Ordering</span>::<span class='ident'>Equal</span> <span class='op'>=></span> {}
<span class='ident'>otherwise</span> <span class='op'>=></span> <span class='kw'>return</span> <span class='ident'>otherwise</span>,
},
(<span class='prelude-val'>None</span>, <span class='prelude-val'>None</span>) <span class='op'>=></span> <span class='kw'>return</span> <span class='ident'>Ordering</span>::<span class='ident'>Equal</span>,
(<span class='prelude-val'>None</span>, _) <span class='op'>=></span> <span class='kw'>return</span> <span class='ident'>Ordering</span>::<span class='ident'>Less</span>,
(_, <span class='prelude-val'>None</span>) <span class='op'>=></span> <span class='kw'>return</span> <span class='ident'>Ordering</span>::<span class='ident'>Greater</span>,
}
}
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>cmp</span>::<span class='ident'>PartialEq</span> <span class='kw'>for</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>fn</span> <span class='ident'>eq</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='kw'>Self</span>) <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='self'>self</span>.<span class='ident'>cmp</span>(<span class='ident'>other</span>) <span class='op'>==</span> <span class='ident'>Ordering</span>::<span class='ident'>Equal</span>
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>cmp</span>::<span class='ident'>Eq</span> <span class='kw'>for</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {}
<span class='kw'>impl</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>u32</span><span class='op'>></span> {
<span class='doccomment'>/// Creates a new empty `BitSet`.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let mut s = BitSet::new();</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new</span>() <span class='op'>-></span> <span class='kw'>Self</span> {
<span class='ident'>Default</span>::<span class='ident'>default</span>()
}
<span class='doccomment'>/// Creates a new `BitSet` with initially no contents, able to</span>
<span class='doccomment'>/// hold `nbits` elements without resizing.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let mut s = BitSet::with_capacity(100);</span>
<span class='doccomment'>/// assert!(s.capacity() >= 100);</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>with_capacity</span>(<span class='ident'>nbits</span>: <span class='ident'>usize</span>) <span class='op'>-></span> <span class='kw'>Self</span> {
<span class='kw'>let</span> <span class='ident'>bit_vec</span> <span class='op'>=</span> <span class='ident'>BitVec</span>::<span class='ident'>from_elem</span>(<span class='ident'>nbits</span>, <span class='boolval'>false</span>);
<span class='ident'>BitSet</span>::<span class='ident'>from_bit_vec</span>(<span class='ident'>bit_vec</span>)
}
<span class='doccomment'>/// Creates a new `BitSet` from the given bit vector.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// extern crate bit_vec;</span>
<span class='doccomment'>/// extern crate bit_set;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// fn main() {</span>
<span class='doccomment'>/// use bit_vec::BitVec;</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let bv = BitVec::from_bytes(&[0b01100000]);</span>
<span class='doccomment'>/// let s = BitSet::from_bit_vec(bv);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// // Print 1, 2 in arbitrary order</span>
<span class='doccomment'>/// for x in s.iter() {</span>
<span class='doccomment'>/// println!("{}", x);</span>
<span class='doccomment'>/// }</span>
<span class='doccomment'>/// }</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>from_bit_vec</span>(<span class='ident'>bit_vec</span>: <span class='ident'>BitVec</span>) <span class='op'>-></span> <span class='kw'>Self</span> {
<span class='ident'>BitSet</span> { <span class='ident'>bit_vec</span>: <span class='ident'>bit_vec</span> }
}
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>from_bytes</span>(<span class='ident'>bytes</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) <span class='op'>-></span> <span class='kw'>Self</span> {
<span class='ident'>BitSet</span> { <span class='ident'>bit_vec</span>: <span class='ident'>BitVec</span>::<span class='ident'>from_bytes</span>(<span class='ident'>bytes</span>) }
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='doccomment'>/// Returns the capacity in bits for this bit vector. Inserting any</span>
<span class='doccomment'>/// element less than this amount will not trigger a resizing.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let mut s = BitSet::with_capacity(100);</span>
<span class='doccomment'>/// assert!(s.capacity() >= 100);</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>capacity</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>usize</span> {
<span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>capacity</span>()
}
<span class='doccomment'>/// Reserves capacity for the given `BitSet` to contain `len` distinct elements. In the case</span>
<span class='doccomment'>/// of `BitSet` this means reallocations will not occur as long as all inserted elements</span>
<span class='doccomment'>/// are less than `len`.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// The collection may reserve more space to avoid frequent reallocations.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let mut s = BitSet::new();</span>
<span class='doccomment'>/// s.reserve_len(10);</span>
<span class='doccomment'>/// assert!(s.capacity() >= 10);</span>
<span class='doccomment'>/// ```</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>reserve_len</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>len</span>: <span class='ident'>usize</span>) {
<span class='kw'>let</span> <span class='ident'>cur_len</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>len</span>();
<span class='kw'>if</span> <span class='ident'>len</span> <span class='op'>>=</span> <span class='ident'>cur_len</span> {
<span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>reserve</span>(<span class='ident'>len</span> <span class='op'>-</span> <span class='ident'>cur_len</span>);
}
}
<span class='doccomment'>/// Reserves the minimum capacity for the given `BitSet` to contain `len` distinct elements.</span>
<span class='doccomment'>/// In the case of `BitSet` this means reallocations will not occur as long as all inserted</span>
<span class='doccomment'>/// elements are less than `len`.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// Note that the allocator may give the collection more space than it requests. Therefore</span>
<span class='doccomment'>/// capacity can not be relied upon to be precisely minimal. Prefer `reserve_len` if future</span>
<span class='doccomment'>/// insertions are expected.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let mut s = BitSet::new();</span>
<span class='doccomment'>/// s.reserve_len_exact(10);</span>
<span class='doccomment'>/// assert!(s.capacity() >= 10);</span>
<span class='doccomment'>/// ```</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>reserve_len_exact</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>len</span>: <span class='ident'>usize</span>) {
<span class='kw'>let</span> <span class='ident'>cur_len</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>len</span>();
<span class='kw'>if</span> <span class='ident'>len</span> <span class='op'>>=</span> <span class='ident'>cur_len</span> {
<span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>reserve_exact</span>(<span class='ident'>len</span> <span class='op'>-</span> <span class='ident'>cur_len</span>);
}
}
<span class='doccomment'>/// Consumes this set to return the underlying bit vector.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let mut s = BitSet::new();</span>
<span class='doccomment'>/// s.insert(0);</span>
<span class='doccomment'>/// s.insert(3);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let bv = s.into_bit_vec();</span>
<span class='doccomment'>/// assert!(bv[0]);</span>
<span class='doccomment'>/// assert!(bv[3]);</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>into_bit_vec</span>(<span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>BitVec</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='self'>self</span>.<span class='ident'>bit_vec</span>
}
<span class='doccomment'>/// Returns a reference to the underlying bit vector.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let mut s = BitSet::new();</span>
<span class='doccomment'>/// s.insert(0);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let bv = s.get_ref();</span>
<span class='doccomment'>/// assert_eq!(bv[0], true);</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_ref</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='ident'>BitVec</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>bit_vec</span>
}
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>fn</span> <span class='ident'>other_op</span><span class='op'><</span><span class='ident'>F</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='kw'>Self</span>, <span class='kw-2'>mut</span> <span class='ident'>f</span>: <span class='ident'>F</span>) <span class='kw'>where</span> <span class='ident'>F</span>: <span class='ident'>FnMut</span>(<span class='ident'>B</span>, <span class='ident'>B</span>) <span class='op'>-></span> <span class='ident'>B</span> {
<span class='comment'>// Unwrap BitVecs</span>
<span class='kw'>let</span> <span class='ident'>self_bit_vec</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>.<span class='ident'>bit_vec</span>;
<span class='kw'>let</span> <span class='ident'>other_bit_vec</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='ident'>other</span>.<span class='ident'>bit_vec</span>;
<span class='kw'>let</span> <span class='ident'>self_len</span> <span class='op'>=</span> <span class='ident'>self_bit_vec</span>.<span class='ident'>len</span>();
<span class='kw'>let</span> <span class='ident'>other_len</span> <span class='op'>=</span> <span class='ident'>other_bit_vec</span>.<span class='ident'>len</span>();
<span class='comment'>// Expand the vector if necessary</span>
<span class='kw'>if</span> <span class='ident'>self_len</span> <span class='op'><</span> <span class='ident'>other_len</span> {
<span class='ident'>self_bit_vec</span>.<span class='ident'>grow</span>(<span class='ident'>other_len</span> <span class='op'>-</span> <span class='ident'>self_len</span>, <span class='boolval'>false</span>);
}
<span class='comment'>// virtually pad other with 0's for equal lengths</span>
<span class='kw'>let</span> <span class='ident'>other_words</span> <span class='op'>=</span> {
<span class='kw'>let</span> (_, <span class='ident'>result</span>) <span class='op'>=</span> <span class='ident'>match_words</span>(<span class='ident'>self_bit_vec</span>, <span class='ident'>other_bit_vec</span>);
<span class='ident'>result</span>
};
<span class='comment'>// Apply values found in other</span>
<span class='kw'>for</span> (<span class='ident'>i</span>, <span class='ident'>w</span>) <span class='kw'>in</span> <span class='ident'>other_words</span> {
<span class='kw'>let</span> <span class='ident'>old</span> <span class='op'>=</span> <span class='ident'>self_bit_vec</span>.<span class='ident'>storage</span>()[<span class='ident'>i</span>];
<span class='kw'>let</span> <span class='ident'>new</span> <span class='op'>=</span> <span class='ident'>f</span>(<span class='ident'>old</span>, <span class='ident'>w</span>);
<span class='kw'>unsafe</span> {
<span class='ident'>self_bit_vec</span>.<span class='ident'>storage_mut</span>()[<span class='ident'>i</span>] <span class='op'>=</span> <span class='ident'>new</span>;
}
}
}
<span class='doccomment'>/// Truncates the underlying vector to the least length required.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let mut s = BitSet::new();</span>
<span class='doccomment'>/// s.insert(32183231);</span>
<span class='doccomment'>/// s.remove(&32183231);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// // Internal storage will probably be bigger than necessary</span>
<span class='doccomment'>/// println!("old capacity: {}", s.capacity());</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// // Now should be smaller</span>
<span class='doccomment'>/// s.shrink_to_fit();</span>
<span class='doccomment'>/// println!("new capacity: {}", s.capacity());</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>shrink_to_fit</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) {
<span class='kw'>let</span> <span class='ident'>bit_vec</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>.<span class='ident'>bit_vec</span>;
<span class='comment'>// Obtain original length</span>
<span class='kw'>let</span> <span class='ident'>old_len</span> <span class='op'>=</span> <span class='ident'>bit_vec</span>.<span class='ident'>storage</span>().<span class='ident'>len</span>();
<span class='comment'>// Obtain coarse trailing zero length</span>
<span class='kw'>let</span> <span class='ident'>n</span> <span class='op'>=</span> <span class='ident'>bit_vec</span>.<span class='ident'>storage</span>().<span class='ident'>iter</span>().<span class='ident'>rev</span>().<span class='ident'>take_while</span>(<span class='op'>|</span><span class='op'>&&</span><span class='ident'>n</span><span class='op'>|</span> <span class='ident'>n</span> <span class='op'>==</span> <span class='ident'>B</span>::<span class='ident'>zero</span>()).<span class='ident'>count</span>();
<span class='comment'>// Truncate</span>
<span class='kw'>let</span> <span class='ident'>trunc_len</span> <span class='op'>=</span> <span class='ident'>cmp</span>::<span class='ident'>max</span>(<span class='ident'>old_len</span> <span class='op'>-</span> <span class='ident'>n</span>, <span class='number'>1</span>);
<span class='kw'>unsafe</span> {
<span class='ident'>bit_vec</span>.<span class='ident'>storage_mut</span>().<span class='ident'>truncate</span>(<span class='ident'>trunc_len</span>);
<span class='ident'>bit_vec</span>.<span class='ident'>set_len</span>(<span class='ident'>trunc_len</span> <span class='op'>*</span> <span class='ident'>B</span>::<span class='ident'>bits</span>());
}
}
<span class='doccomment'>/// Iterator over each usize stored in the `BitSet`.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let s = BitSet::from_bytes(&[0b01001010]);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// // Print 1, 4, 6 in arbitrary order</span>
<span class='doccomment'>/// for x in s.iter() {</span>
<span class='doccomment'>/// println!("{}", x);</span>
<span class='doccomment'>/// }</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>iter</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>Iter</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='ident'>Iter</span>(<span class='ident'>BlockIter</span>::<span class='ident'>from_blocks</span>(<span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>blocks</span>()))
}
<span class='doccomment'>/// Iterator over each usize stored in `self` union `other`.</span>
<span class='doccomment'>/// See [union_with](#method.union_with) for an efficient in-place version.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let a = BitSet::from_bytes(&[0b01101000]);</span>
<span class='doccomment'>/// let b = BitSet::from_bytes(&[0b10100000]);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// // Print 0, 1, 2, 4 in arbitrary order</span>
<span class='doccomment'>/// for x in a.union(&b) {</span>
<span class='doccomment'>/// println!("{}", x);</span>
<span class='doccomment'>/// }</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>union</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='kw'>Self</span>) <span class='op'>-></span> <span class='ident'>Union</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>or</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span>(<span class='ident'>w1</span>: <span class='ident'>B</span>, <span class='ident'>w2</span>: <span class='ident'>B</span>) <span class='op'>-></span> <span class='ident'>B</span> { <span class='ident'>w1</span> <span class='op'>|</span> <span class='ident'>w2</span> }
<span class='ident'>Union</span>(<span class='ident'>BlockIter</span>::<span class='ident'>from_blocks</span>(<span class='ident'>TwoBitPositions</span> {
<span class='ident'>set</span>: <span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>blocks</span>(),
<span class='ident'>other</span>: <span class='ident'>other</span>.<span class='ident'>bit_vec</span>.<span class='ident'>blocks</span>(),
<span class='ident'>merge</span>: <span class='ident'>or</span>,
}))
}
<span class='doccomment'>/// Iterator over each usize stored in `self` intersect `other`.</span>
<span class='doccomment'>/// See [intersect_with](#method.intersect_with) for an efficient in-place version.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let a = BitSet::from_bytes(&[0b01101000]);</span>
<span class='doccomment'>/// let b = BitSet::from_bytes(&[0b10100000]);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// // Print 2</span>
<span class='doccomment'>/// for x in a.intersection(&b) {</span>
<span class='doccomment'>/// println!("{}", x);</span>
<span class='doccomment'>/// }</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>intersection</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='kw'>Self</span>) <span class='op'>-></span> <span class='ident'>Intersection</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>bitand</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span>(<span class='ident'>w1</span>: <span class='ident'>B</span>, <span class='ident'>w2</span>: <span class='ident'>B</span>) <span class='op'>-></span> <span class='ident'>B</span> { <span class='ident'>w1</span> <span class='kw-2'>&</span> <span class='ident'>w2</span> }
<span class='kw'>let</span> <span class='ident'>min</span> <span class='op'>=</span> <span class='ident'>cmp</span>::<span class='ident'>min</span>(<span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>len</span>(), <span class='ident'>other</span>.<span class='ident'>bit_vec</span>.<span class='ident'>len</span>());
<span class='ident'>Intersection</span>(<span class='ident'>BlockIter</span>::<span class='ident'>from_blocks</span>(<span class='ident'>TwoBitPositions</span> {
<span class='ident'>set</span>: <span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>blocks</span>(),
<span class='ident'>other</span>: <span class='ident'>other</span>.<span class='ident'>bit_vec</span>.<span class='ident'>blocks</span>(),
<span class='ident'>merge</span>: <span class='ident'>bitand</span>,
}).<span class='ident'>take</span>(<span class='ident'>min</span>))
}
<span class='doccomment'>/// Iterator over each usize stored in the `self` setminus `other`.</span>
<span class='doccomment'>/// See [difference_with](#method.difference_with) for an efficient in-place version.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let a = BitSet::from_bytes(&[0b01101000]);</span>
<span class='doccomment'>/// let b = BitSet::from_bytes(&[0b10100000]);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// // Print 1, 4 in arbitrary order</span>
<span class='doccomment'>/// for x in a.difference(&b) {</span>
<span class='doccomment'>/// println!("{}", x);</span>
<span class='doccomment'>/// }</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// // Note that difference is not symmetric,</span>
<span class='doccomment'>/// // and `b - a` means something else.</span>
<span class='doccomment'>/// // This prints 0</span>
<span class='doccomment'>/// for x in b.difference(&a) {</span>
<span class='doccomment'>/// println!("{}", x);</span>
<span class='doccomment'>/// }</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>difference</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='kw'>Self</span>) <span class='op'>-></span> <span class='ident'>Difference</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>diff</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span>(<span class='ident'>w1</span>: <span class='ident'>B</span>, <span class='ident'>w2</span>: <span class='ident'>B</span>) <span class='op'>-></span> <span class='ident'>B</span> { <span class='ident'>w1</span> <span class='kw-2'>&</span> <span class='op'>!</span><span class='ident'>w2</span> }
<span class='ident'>Difference</span>(<span class='ident'>BlockIter</span>::<span class='ident'>from_blocks</span>(<span class='ident'>TwoBitPositions</span> {
<span class='ident'>set</span>: <span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>blocks</span>(),
<span class='ident'>other</span>: <span class='ident'>other</span>.<span class='ident'>bit_vec</span>.<span class='ident'>blocks</span>(),
<span class='ident'>merge</span>: <span class='ident'>diff</span>,
}))
}
<span class='doccomment'>/// Iterator over each usize stored in the symmetric difference of `self` and `other`.</span>
<span class='doccomment'>/// See [symmetric_difference_with](#method.symmetric_difference_with) for</span>
<span class='doccomment'>/// an efficient in-place version.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let a = BitSet::from_bytes(&[0b01101000]);</span>
<span class='doccomment'>/// let b = BitSet::from_bytes(&[0b10100000]);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// // Print 0, 1, 4 in arbitrary order</span>
<span class='doccomment'>/// for x in a.symmetric_difference(&b) {</span>
<span class='doccomment'>/// println!("{}", x);</span>
<span class='doccomment'>/// }</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>symmetric_difference</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='kw'>Self</span>) <span class='op'>-></span> <span class='ident'>SymmetricDifference</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>bitxor</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span>(<span class='ident'>w1</span>: <span class='ident'>B</span>, <span class='ident'>w2</span>: <span class='ident'>B</span>) <span class='op'>-></span> <span class='ident'>B</span> { <span class='ident'>w1</span> <span class='op'>^</span> <span class='ident'>w2</span> }
<span class='ident'>SymmetricDifference</span>(<span class='ident'>BlockIter</span>::<span class='ident'>from_blocks</span>(<span class='ident'>TwoBitPositions</span> {
<span class='ident'>set</span>: <span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>blocks</span>(),
<span class='ident'>other</span>: <span class='ident'>other</span>.<span class='ident'>bit_vec</span>.<span class='ident'>blocks</span>(),
<span class='ident'>merge</span>: <span class='ident'>bitxor</span>,
}))
}
<span class='doccomment'>/// Unions in-place with the specified other bit vector.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let a = 0b01101000;</span>
<span class='doccomment'>/// let b = 0b10100000;</span>
<span class='doccomment'>/// let res = 0b11101000;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let mut a = BitSet::from_bytes(&[a]);</span>
<span class='doccomment'>/// let b = BitSet::from_bytes(&[b]);</span>
<span class='doccomment'>/// let res = BitSet::from_bytes(&[res]);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// a.union_with(&b);</span>
<span class='doccomment'>/// assert_eq!(a, res);</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>union_with</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='kw'>Self</span>) {
<span class='self'>self</span>.<span class='ident'>other_op</span>(<span class='ident'>other</span>, <span class='op'>|</span><span class='ident'>w1</span>, <span class='ident'>w2</span><span class='op'>|</span> <span class='ident'>w1</span> <span class='op'>|</span> <span class='ident'>w2</span>);
}
<span class='doccomment'>/// Intersects in-place with the specified other bit vector.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let a = 0b01101000;</span>
<span class='doccomment'>/// let b = 0b10100000;</span>
<span class='doccomment'>/// let res = 0b00100000;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let mut a = BitSet::from_bytes(&[a]);</span>
<span class='doccomment'>/// let b = BitSet::from_bytes(&[b]);</span>
<span class='doccomment'>/// let res = BitSet::from_bytes(&[res]);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// a.intersect_with(&b);</span>
<span class='doccomment'>/// assert_eq!(a, res);</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>intersect_with</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='kw'>Self</span>) {
<span class='self'>self</span>.<span class='ident'>other_op</span>(<span class='ident'>other</span>, <span class='op'>|</span><span class='ident'>w1</span>, <span class='ident'>w2</span><span class='op'>|</span> <span class='ident'>w1</span> <span class='kw-2'>&</span> <span class='ident'>w2</span>);
}
<span class='doccomment'>/// Makes this bit vector the difference with the specified other bit vector</span>
<span class='doccomment'>/// in-place.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let a = 0b01101000;</span>
<span class='doccomment'>/// let b = 0b10100000;</span>
<span class='doccomment'>/// let a_b = 0b01001000; // a - b</span>
<span class='doccomment'>/// let b_a = 0b10000000; // b - a</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let mut bva = BitSet::from_bytes(&[a]);</span>
<span class='doccomment'>/// let bvb = BitSet::from_bytes(&[b]);</span>
<span class='doccomment'>/// let bva_b = BitSet::from_bytes(&[a_b]);</span>
<span class='doccomment'>/// let bvb_a = BitSet::from_bytes(&[b_a]);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// bva.difference_with(&bvb);</span>
<span class='doccomment'>/// assert_eq!(bva, bva_b);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let bva = BitSet::from_bytes(&[a]);</span>
<span class='doccomment'>/// let mut bvb = BitSet::from_bytes(&[b]);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// bvb.difference_with(&bva);</span>
<span class='doccomment'>/// assert_eq!(bvb, bvb_a);</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>difference_with</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='kw'>Self</span>) {
<span class='self'>self</span>.<span class='ident'>other_op</span>(<span class='ident'>other</span>, <span class='op'>|</span><span class='ident'>w1</span>, <span class='ident'>w2</span><span class='op'>|</span> <span class='ident'>w1</span> <span class='kw-2'>&</span> <span class='op'>!</span><span class='ident'>w2</span>);
}
<span class='doccomment'>/// Makes this bit vector the symmetric difference with the specified other</span>
<span class='doccomment'>/// bit vector in-place.</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// # Examples</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// ```</span>
<span class='doccomment'>/// use bit_set::BitSet;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let a = 0b01101000;</span>
<span class='doccomment'>/// let b = 0b10100000;</span>
<span class='doccomment'>/// let res = 0b11001000;</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// let mut a = BitSet::from_bytes(&[a]);</span>
<span class='doccomment'>/// let b = BitSet::from_bytes(&[b]);</span>
<span class='doccomment'>/// let res = BitSet::from_bytes(&[res]);</span>
<span class='doccomment'>///</span>
<span class='doccomment'>/// a.symmetric_difference_with(&b);</span>
<span class='doccomment'>/// assert_eq!(a, res);</span>
<span class='doccomment'>/// ```</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>symmetric_difference_with</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='kw'>Self</span>) {
<span class='self'>self</span>.<span class='ident'>other_op</span>(<span class='ident'>other</span>, <span class='op'>|</span><span class='ident'>w1</span>, <span class='ident'>w2</span><span class='op'>|</span> <span class='ident'>w1</span> <span class='op'>^</span> <span class='ident'>w2</span>);
}
<span class='comment'>/*
/// Moves all elements from `other` into `Self`, leaving `other` empty.
///
/// # Examples
///
/// ```
/// use bit_set::BitSet;
///
/// let mut a = BitSet::new();
/// a.insert(2);
/// a.insert(6);
///
/// let mut b = BitSet::new();
/// b.insert(1);
/// b.insert(3);
/// b.insert(6);
///
/// a.append(&mut b);
///
/// assert_eq!(a.len(), 4);
/// assert_eq!(b.len(), 0);
/// assert_eq!(a, BitSet::from_bytes(&[0b01110010]));
/// ```
pub fn append(&mut self, other: &mut Self) {
self.union_with(other);
other.clear();
}
/// Splits the `BitSet` into two at the given key including the key.
/// Retains the first part in-place while returning the second part.
///
/// # Examples
///
/// ```
/// use bit_set::BitSet;
///
/// let mut a = BitSet::new();
/// a.insert(2);
/// a.insert(6);
/// a.insert(1);
/// a.insert(3);
///
/// let b = a.split_off(3);
///
/// assert_eq!(a.len(), 2);
/// assert_eq!(b.len(), 2);
/// assert_eq!(a, BitSet::from_bytes(&[0b01100000]));
/// assert_eq!(b, BitSet::from_bytes(&[0b00010010]));
/// ```
pub fn split_off(&mut self, at: usize) -> Self {
let mut other = BitSet::new();
if at == 0 {
swap(self, &mut other);
return other;
} else if at >= self.bit_vec.len() {
return other;
}
// Calculate block and bit at which to split
let w = at / BITS;
let b = at % BITS;
// Pad `other` with `w` zero blocks,
// append `self`'s blocks in the range from `w` to the end to `other`
other.bit_vec.storage_mut().extend(repeat(0u32).take(w)
.chain(self.bit_vec.storage()[w..].iter().cloned()));
other.bit_vec.nbits = self.bit_vec.nbits;
if b > 0 {
other.bit_vec.storage_mut()[w] &= !0 << b;
}
// Sets `bit_vec.len()` and fixes the last block as well
self.bit_vec.truncate(at);
other
}
*/</span>
<span class='doccomment'>/// Returns the number of set bits in this set.</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>len</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>usize</span> {
<span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>blocks</span>().<span class='ident'>fold</span>(<span class='number'>0</span>, <span class='op'>|</span><span class='ident'>acc</span>, <span class='ident'>n</span><span class='op'>|</span> <span class='ident'>acc</span> <span class='op'>+</span> <span class='ident'>n</span>.<span class='ident'>count_ones</span>() <span class='kw'>as</span> <span class='ident'>usize</span>)
}
<span class='doccomment'>/// Returns whether there are no bits set in this set</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_empty</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>none</span>()
}
<span class='doccomment'>/// Clears all bits in this set</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>clear</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) {
<span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>clear</span>();
}
<span class='doccomment'>/// Returns `true` if this set contains the specified integer.</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>value</span>: <span class='kw-2'>&</span><span class='ident'>usize</span>) <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='kw'>let</span> <span class='ident'>bit_vec</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>bit_vec</span>;
<span class='op'>*</span><span class='ident'>value</span> <span class='op'><</span> <span class='ident'>bit_vec</span>.<span class='ident'>len</span>() <span class='op'>&&</span> <span class='ident'>bit_vec</span>[<span class='op'>*</span><span class='ident'>value</span>]
}
<span class='doccomment'>/// Returns `true` if the set has no elements in common with `other`.</span>
<span class='doccomment'>/// This is equivalent to checking for an empty intersection.</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_disjoint</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='kw'>Self</span>) <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='self'>self</span>.<span class='ident'>intersection</span>(<span class='ident'>other</span>).<span class='ident'>next</span>().<span class='ident'>is_none</span>()
}
<span class='doccomment'>/// Returns `true` if the set is a subset of another.</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_subset</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='kw'>Self</span>) <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='kw'>let</span> <span class='ident'>self_bit_vec</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>bit_vec</span>;
<span class='kw'>let</span> <span class='ident'>other_bit_vec</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='ident'>other</span>.<span class='ident'>bit_vec</span>;
<span class='kw'>let</span> <span class='ident'>other_blocks</span> <span class='op'>=</span> <span class='ident'>blocks_for_bits</span>::<span class='op'><</span><span class='ident'>B</span><span class='op'>></span>(<span class='ident'>other_bit_vec</span>.<span class='ident'>len</span>());
<span class='comment'>// Check that `self` intersect `other` is self</span>
<span class='ident'>self_bit_vec</span>.<span class='ident'>blocks</span>().<span class='ident'>zip</span>(<span class='ident'>other_bit_vec</span>.<span class='ident'>blocks</span>()).<span class='ident'>all</span>(<span class='op'>|</span>(<span class='ident'>w1</span>, <span class='ident'>w2</span>)<span class='op'>|</span> <span class='ident'>w1</span> <span class='kw-2'>&</span> <span class='ident'>w2</span> <span class='op'>==</span> <span class='ident'>w1</span>) <span class='op'>&&</span>
<span class='comment'>// Make sure if `self` has any more blocks than `other`, they're all 0</span>
<span class='ident'>self_bit_vec</span>.<span class='ident'>blocks</span>().<span class='ident'>skip</span>(<span class='ident'>other_blocks</span>).<span class='ident'>all</span>(<span class='op'>|</span><span class='ident'>w</span><span class='op'>|</span> <span class='ident'>w</span> <span class='op'>==</span> <span class='ident'>B</span>::<span class='ident'>zero</span>())
}
<span class='doccomment'>/// Returns `true` if the set is a superset of another.</span>
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_superset</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>other</span>: <span class='kw-2'>&</span><span class='kw'>Self</span>) <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='ident'>other</span>.<span class='ident'>is_subset</span>(<span class='self'>self</span>)
}
<span class='doccomment'>/// Adds a value to the set. Returns `true` if the value was not already</span>
<span class='doccomment'>/// present in the set.</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>insert</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>value</span>: <span class='ident'>usize</span>) <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='ident'>value</span>) {
<span class='kw'>return</span> <span class='boolval'>false</span>;
}
<span class='comment'>// Ensure we have enough space to hold the new element</span>
<span class='kw'>let</span> <span class='ident'>len</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>len</span>();
<span class='kw'>if</span> <span class='ident'>value</span> <span class='op'>>=</span> <span class='ident'>len</span> {
<span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>grow</span>(<span class='ident'>value</span> <span class='op'>-</span> <span class='ident'>len</span> <span class='op'>+</span> <span class='number'>1</span>, <span class='boolval'>false</span>)
}
<span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>set</span>(<span class='ident'>value</span>, <span class='boolval'>true</span>);
<span class='kw'>return</span> <span class='boolval'>true</span>;
}
<span class='doccomment'>/// Removes a value from the set. Returns `true` if the value was</span>
<span class='doccomment'>/// present in the set.</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>remove</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>value</span>: <span class='kw-2'>&</span><span class='ident'>usize</span>) <span class='op'>-></span> <span class='ident'>bool</span> {
<span class='kw'>if</span> <span class='op'>!</span><span class='self'>self</span>.<span class='ident'>contains</span>(<span class='ident'>value</span>) {
<span class='kw'>return</span> <span class='boolval'>false</span>;
}
<span class='self'>self</span>.<span class='ident'>bit_vec</span>.<span class='ident'>set</span>(<span class='op'>*</span><span class='ident'>value</span>, <span class='boolval'>false</span>);
<span class='kw'>return</span> <span class='boolval'>true</span>;
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>fmt</span>::<span class='ident'>Debug</span> <span class='kw'>for</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>fmt</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>fmt</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>fmt</span>::<span class='ident'>Formatter</span>) <span class='op'>-></span> <span class='ident'>fmt</span>::<span class='prelude-ty'>Result</span> {
<span class='macro'>try</span><span class='macro'>!</span>(<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{{"</span>));
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>first</span> <span class='op'>=</span> <span class='boolval'>true</span>;
<span class='kw'>for</span> <span class='ident'>n</span> <span class='kw'>in</span> <span class='self'>self</span> {
<span class='kw'>if</span> <span class='op'>!</span><span class='ident'>first</span> {
<span class='macro'>try</span><span class='macro'>!</span>(<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>", "</span>));
}
<span class='macro'>try</span><span class='macro'>!</span>(<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:?}"</span>, <span class='ident'>n</span>));
<span class='ident'>first</span> <span class='op'>=</span> <span class='boolval'>false</span>;
}
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"}}"</span>)
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>hash</span>::<span class='ident'>Hash</span> <span class='kw'>for</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>hash</span><span class='op'><</span><span class='ident'>H</span>: <span class='ident'>hash</span>::<span class='ident'>Hasher</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>state</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>H</span>) {
<span class='kw'>for</span> <span class='ident'>pos</span> <span class='kw'>in</span> <span class='self'>self</span> {
<span class='ident'>pos</span>.<span class='ident'>hash</span>(<span class='ident'>state</span>);
}
}
}
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>)]</span>
<span class='kw'>struct</span> <span class='ident'>BlockIter</span><span class='op'><</span><span class='ident'>T</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='ident'>head</span>: <span class='ident'>B</span>,
<span class='ident'>head_offset</span>: <span class='ident'>usize</span>,
<span class='ident'>tail</span>: <span class='ident'>T</span>,
}
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>T</span>, <span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>BlockIter</span><span class='op'><</span><span class='ident'>T</span>, <span class='ident'>B</span><span class='op'>></span> <span class='kw'>where</span> <span class='ident'>T</span>: <span class='ident'>Iterator</span><span class='op'><</span><span class='ident'>Item</span><span class='op'>=</span><span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>fn</span> <span class='ident'>from_blocks</span>(<span class='kw-2'>mut</span> <span class='ident'>blocks</span>: <span class='ident'>T</span>) <span class='op'>-></span> <span class='ident'>BlockIter</span><span class='op'><</span><span class='ident'>T</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>let</span> <span class='ident'>h</span> <span class='op'>=</span> <span class='ident'>blocks</span>.<span class='ident'>next</span>().<span class='ident'>unwrap_or</span>(<span class='ident'>B</span>::<span class='ident'>zero</span>());
<span class='ident'>BlockIter</span> {<span class='ident'>tail</span>: <span class='ident'>blocks</span>, <span class='ident'>head</span>: <span class='ident'>h</span>, <span class='ident'>head_offset</span>: <span class='number'>0</span>}
}
}
<span class='doccomment'>/// An iterator combining two `BitSet` iterators.</span>
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>)]</span>
<span class='kw'>struct</span> <span class='ident'>TwoBitPositions</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='lifetime'>'a</span><span class='op'>></span> {
<span class='ident'>set</span>: <span class='ident'>Blocks</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span>,
<span class='ident'>other</span>: <span class='ident'>Blocks</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span>,
<span class='ident'>merge</span>: <span class='kw'>fn</span>(<span class='ident'>B</span>, <span class='ident'>B</span>) <span class='op'>-></span> <span class='ident'>B</span>,
}
<span class='doccomment'>/// An iterator for `BitSet`.</span>
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>Iter</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='lifetime'>'a</span><span class='op'>></span>(<span class='ident'>BlockIter</span><span class='op'><</span><span class='ident'>Blocks</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span>, <span class='ident'>B</span><span class='op'>></span>);
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>Union</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='lifetime'>'a</span><span class='op'>></span>(<span class='ident'>BlockIter</span><span class='op'><</span><span class='ident'>TwoBitPositions</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span>, <span class='ident'>B</span><span class='op'>></span>);
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>Intersection</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='lifetime'>'a</span><span class='op'>></span>(<span class='ident'>Take</span><span class='op'><</span><span class='ident'>BlockIter</span><span class='op'><</span><span class='ident'>TwoBitPositions</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span>, <span class='ident'>B</span><span class='op'>>></span>);
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>Difference</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='lifetime'>'a</span><span class='op'>></span>(<span class='ident'>BlockIter</span><span class='op'><</span><span class='ident'>TwoBitPositions</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span>, <span class='ident'>B</span><span class='op'>></span>);
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>SymmetricDifference</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='lifetime'>'a</span><span class='op'>></span>(<span class='ident'>BlockIter</span><span class='op'><</span><span class='ident'>TwoBitPositions</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span>, <span class='ident'>B</span><span class='op'>></span>);
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>T</span>, <span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>Iterator</span> <span class='kw'>for</span> <span class='ident'>BlockIter</span><span class='op'><</span><span class='ident'>T</span>, <span class='ident'>B</span><span class='op'>></span> <span class='kw'>where</span> <span class='ident'>T</span>: <span class='ident'>Iterator</span><span class='op'><</span><span class='ident'>Item</span><span class='op'>=</span><span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Item</span> <span class='op'>=</span> <span class='ident'>usize</span>;
<span class='kw'>fn</span> <span class='ident'>next</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span> {
<span class='kw'>while</span> <span class='self'>self</span>.<span class='ident'>head</span> <span class='op'>==</span> <span class='ident'>B</span>::<span class='ident'>zero</span>() {
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>tail</span>.<span class='ident'>next</span>() {
<span class='prelude-val'>Some</span>(<span class='ident'>w</span>) <span class='op'>=></span> <span class='self'>self</span>.<span class='ident'>head</span> <span class='op'>=</span> <span class='ident'>w</span>,
<span class='prelude-val'>None</span> <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>None</span>
}
<span class='self'>self</span>.<span class='ident'>head_offset</span> <span class='op'>+=</span> <span class='ident'>B</span>::<span class='ident'>bits</span>();
}
<span class='comment'>// from the current block, isolate the</span>
<span class='comment'>// LSB and subtract 1, producing k:</span>
<span class='comment'>// a block with a number of set bits</span>
<span class='comment'>// equal to the index of the LSB</span>
<span class='kw'>let</span> <span class='ident'>k</span> <span class='op'>=</span> (<span class='self'>self</span>.<span class='ident'>head</span> <span class='kw-2'>&</span> (<span class='op'>!</span><span class='self'>self</span>.<span class='ident'>head</span> <span class='op'>+</span> <span class='ident'>B</span>::<span class='ident'>one</span>())) <span class='op'>-</span> <span class='ident'>B</span>::<span class='ident'>one</span>();
<span class='comment'>// update block, removing the LSB</span>
<span class='self'>self</span>.<span class='ident'>head</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>head</span> <span class='kw-2'>&</span> (<span class='self'>self</span>.<span class='ident'>head</span> <span class='op'>-</span> <span class='ident'>B</span>::<span class='ident'>one</span>());
<span class='comment'>// return offset + (index of LSB)</span>
<span class='prelude-val'>Some</span>(<span class='self'>self</span>.<span class='ident'>head_offset</span> <span class='op'>+</span> (<span class='ident'>B</span>::<span class='ident'>count_ones</span>(<span class='ident'>k</span>) <span class='kw'>as</span> <span class='ident'>usize</span>))
}
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>fn</span> <span class='ident'>size_hint</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> (<span class='ident'>usize</span>, <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span>) {
<span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>tail</span>.<span class='ident'>size_hint</span>() {
(_, <span class='prelude-val'>Some</span>(<span class='ident'>h</span>)) <span class='op'>=></span> (<span class='number'>0</span>, <span class='prelude-val'>Some</span>(<span class='number'>1</span> <span class='op'>+</span> <span class='ident'>h</span> <span class='op'>*</span> <span class='ident'>B</span>::<span class='ident'>bits</span>())),
_ <span class='op'>=></span> (<span class='number'>0</span>, <span class='prelude-val'>None</span>)
}
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>Iterator</span> <span class='kw'>for</span> <span class='ident'>TwoBitPositions</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Item</span> <span class='op'>=</span> <span class='ident'>B</span>;
<span class='kw'>fn</span> <span class='ident'>next</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>match</span> (<span class='self'>self</span>.<span class='ident'>set</span>.<span class='ident'>next</span>(), <span class='self'>self</span>.<span class='ident'>other</span>.<span class='ident'>next</span>()) {
(<span class='prelude-val'>Some</span>(<span class='ident'>a</span>), <span class='prelude-val'>Some</span>(<span class='ident'>b</span>)) <span class='op'>=></span> <span class='prelude-val'>Some</span>((<span class='self'>self</span>.<span class='ident'>merge</span>)(<span class='ident'>a</span>, <span class='ident'>b</span>)),
(<span class='prelude-val'>Some</span>(<span class='ident'>a</span>), <span class='prelude-val'>None</span>) <span class='op'>=></span> <span class='prelude-val'>Some</span>((<span class='self'>self</span>.<span class='ident'>merge</span>)(<span class='ident'>a</span>, <span class='ident'>B</span>::<span class='ident'>zero</span>())),
(<span class='prelude-val'>None</span>, <span class='prelude-val'>Some</span>(<span class='ident'>b</span>)) <span class='op'>=></span> <span class='prelude-val'>Some</span>((<span class='self'>self</span>.<span class='ident'>merge</span>)(<span class='ident'>B</span>::<span class='ident'>zero</span>(), <span class='ident'>b</span>)),
_ <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>None</span>
}
}
<span class='attribute'>#[<span class='ident'>inline</span>]</span>
<span class='kw'>fn</span> <span class='ident'>size_hint</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> (<span class='ident'>usize</span>, <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span>) {
<span class='kw'>let</span> (<span class='ident'>a</span>, <span class='ident'>au</span>) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>set</span>.<span class='ident'>size_hint</span>();
<span class='kw'>let</span> (<span class='ident'>b</span>, <span class='ident'>bu</span>) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>other</span>.<span class='ident'>size_hint</span>();
<span class='kw'>let</span> <span class='ident'>upper</span> <span class='op'>=</span> <span class='kw'>match</span> (<span class='ident'>au</span>, <span class='ident'>bu</span>) {
(<span class='prelude-val'>Some</span>(<span class='ident'>au</span>), <span class='prelude-val'>Some</span>(<span class='ident'>bu</span>)) <span class='op'>=></span> <span class='prelude-val'>Some</span>(<span class='ident'>cmp</span>::<span class='ident'>max</span>(<span class='ident'>au</span>, <span class='ident'>bu</span>)),
_ <span class='op'>=></span> <span class='prelude-val'>None</span>
};
(<span class='ident'>cmp</span>::<span class='ident'>max</span>(<span class='ident'>a</span>, <span class='ident'>b</span>), <span class='ident'>upper</span>)
}
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>Iterator</span> <span class='kw'>for</span> <span class='ident'>Iter</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Item</span> <span class='op'>=</span> <span class='ident'>usize</span>;
<span class='attribute'>#[<span class='ident'>inline</span>]</span> <span class='kw'>fn</span> <span class='ident'>next</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span> { <span class='self'>self</span>.<span class='number'>0</span>.<span class='ident'>next</span>() }
<span class='attribute'>#[<span class='ident'>inline</span>]</span> <span class='kw'>fn</span> <span class='ident'>size_hint</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> (<span class='ident'>usize</span>, <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span>) { <span class='self'>self</span>.<span class='number'>0</span>.<span class='ident'>size_hint</span>() }
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>Iterator</span> <span class='kw'>for</span> <span class='ident'>Union</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Item</span> <span class='op'>=</span> <span class='ident'>usize</span>;
<span class='attribute'>#[<span class='ident'>inline</span>]</span> <span class='kw'>fn</span> <span class='ident'>next</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span> { <span class='self'>self</span>.<span class='number'>0</span>.<span class='ident'>next</span>() }
<span class='attribute'>#[<span class='ident'>inline</span>]</span> <span class='kw'>fn</span> <span class='ident'>size_hint</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> (<span class='ident'>usize</span>, <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span>) { <span class='self'>self</span>.<span class='number'>0</span>.<span class='ident'>size_hint</span>() }
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>Iterator</span> <span class='kw'>for</span> <span class='ident'>Intersection</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Item</span> <span class='op'>=</span> <span class='ident'>usize</span>;
<span class='attribute'>#[<span class='ident'>inline</span>]</span> <span class='kw'>fn</span> <span class='ident'>next</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span> { <span class='self'>self</span>.<span class='number'>0</span>.<span class='ident'>next</span>() }
<span class='attribute'>#[<span class='ident'>inline</span>]</span> <span class='kw'>fn</span> <span class='ident'>size_hint</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> (<span class='ident'>usize</span>, <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span>) { <span class='self'>self</span>.<span class='number'>0</span>.<span class='ident'>size_hint</span>() }
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>Iterator</span> <span class='kw'>for</span> <span class='ident'>Difference</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Item</span> <span class='op'>=</span> <span class='ident'>usize</span>;
<span class='attribute'>#[<span class='ident'>inline</span>]</span> <span class='kw'>fn</span> <span class='ident'>next</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span> { <span class='self'>self</span>.<span class='number'>0</span>.<span class='ident'>next</span>() }
<span class='attribute'>#[<span class='ident'>inline</span>]</span> <span class='kw'>fn</span> <span class='ident'>size_hint</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> (<span class='ident'>usize</span>, <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span>) { <span class='self'>self</span>.<span class='number'>0</span>.<span class='ident'>size_hint</span>() }
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>Iterator</span> <span class='kw'>for</span> <span class='ident'>SymmetricDifference</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Item</span> <span class='op'>=</span> <span class='ident'>usize</span>;
<span class='attribute'>#[<span class='ident'>inline</span>]</span> <span class='kw'>fn</span> <span class='ident'>next</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span> { <span class='self'>self</span>.<span class='number'>0</span>.<span class='ident'>next</span>() }
<span class='attribute'>#[<span class='ident'>inline</span>]</span> <span class='kw'>fn</span> <span class='ident'>size_hint</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> (<span class='ident'>usize</span>, <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span>) { <span class='self'>self</span>.<span class='number'>0</span>.<span class='ident'>size_hint</span>() }
}
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span>: <span class='ident'>BitBlock</span><span class='op'>></span> <span class='ident'>IntoIterator</span> <span class='kw'>for</span> <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BitSet</span><span class='op'><</span><span class='ident'>B</span><span class='op'>></span> {
<span class='kw'>type</span> <span class='ident'>Item</span> <span class='op'>=</span> <span class='ident'>usize</span>;
<span class='kw'>type</span> <span class='ident'>IntoIter</span> <span class='op'>=</span> <span class='ident'>Iter</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span>;
<span class='kw'>fn</span> <span class='ident'>into_iter</span>(<span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>Iter</span><span class='op'><</span><span class='lifetime'>'a</span>, <span class='ident'>B</span><span class='op'>></span> {
<span class='self'>self</span>.<span class='ident'>iter</span>()
}
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span>
<span class='kw'>mod</span> <span class='ident'>tests</span> {
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>cmp</span>::<span class='ident'>Ordering</span>::{<span class='ident'>Equal</span>, <span class='ident'>Greater</span>, <span class='ident'>Less</span>};
<span class='kw'>use</span> <span class='ident'>super</span>::<span class='ident'>BitSet</span>;
<span class='kw'>use</span> <span class='ident'>bit_vec</span>::<span class='ident'>BitVec</span>;
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_show</span>() {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>s</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='ident'>s</span>.<span class='ident'>insert</span>(<span class='number'>1</span>);
<span class='ident'>s</span>.<span class='ident'>insert</span>(<span class='number'>10</span>);
<span class='ident'>s</span>.<span class='ident'>insert</span>(<span class='number'>50</span>);
<span class='ident'>s</span>.<span class='ident'>insert</span>(<span class='number'>2</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"{1, 2, 10, 50}"</span>, <span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{:?}"</span>, <span class='ident'>s</span>));
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_from_usizes</span>() {
<span class='kw'>let</span> <span class='ident'>usizes</span> <span class='op'>=</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='number'>0</span>, <span class='number'>2</span>, <span class='number'>2</span>, <span class='number'>3</span>];
<span class='kw'>let</span> <span class='ident'>a</span>: <span class='ident'>BitSet</span> <span class='op'>=</span> <span class='ident'>usizes</span>.<span class='ident'>into_iter</span>().<span class='ident'>collect</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>0</span>);
<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>2</span>);
<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>3</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>a</span>, <span class='ident'>b</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_iterator</span>() {
<span class='kw'>let</span> <span class='ident'>usizes</span> <span class='op'>=</span> <span class='macro'>vec</span><span class='macro'>!</span>[<span class='number'>0</span>, <span class='number'>2</span>, <span class='number'>2</span>, <span class='number'>3</span>];
<span class='kw'>let</span> <span class='ident'>bit_vec</span>: <span class='ident'>BitSet</span> <span class='op'>=</span> <span class='ident'>usizes</span>.<span class='ident'>into_iter</span>().<span class='ident'>collect</span>();
<span class='kw'>let</span> <span class='ident'>idxs</span>: <span class='ident'>Vec</span><span class='op'><</span>_<span class='op'>></span> <span class='op'>=</span> <span class='ident'>bit_vec</span>.<span class='ident'>iter</span>().<span class='ident'>collect</span>();
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>idxs</span>, [<span class='number'>0</span>, <span class='number'>2</span>, <span class='number'>3</span>]);
<span class='kw'>let</span> <span class='ident'>long</span>: <span class='ident'>BitSet</span> <span class='op'>=</span> (<span class='number'>0</span>..<span class='number'>10000</span>).<span class='ident'>filter</span>(<span class='op'>|</span><span class='kw-2'>&</span><span class='ident'>n</span><span class='op'>|</span> <span class='ident'>n</span> <span class='op'>%</span> <span class='number'>2</span> <span class='op'>==</span> <span class='number'>0</span>).<span class='ident'>collect</span>();
<span class='kw'>let</span> <span class='ident'>real</span>: <span class='ident'>Vec</span><span class='op'><</span>_<span class='op'>></span> <span class='op'>=</span> (<span class='number'>0</span>..<span class='number'>10000</span><span class='op'>/</span><span class='number'>2</span>).<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>x</span><span class='op'>|</span> <span class='ident'>x</span><span class='op'>*</span><span class='number'>2</span>).<span class='ident'>collect</span>();
<span class='kw'>let</span> <span class='ident'>idxs</span>: <span class='ident'>Vec</span><span class='op'><</span>_<span class='op'>></span> <span class='op'>=</span> <span class='ident'>long</span>.<span class='ident'>iter</span>().<span class='ident'>collect</span>();
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>idxs</span>, <span class='ident'>real</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_frombit_vec_init</span>() {
<span class='kw'>let</span> <span class='ident'>bools</span> <span class='op'>=</span> [<span class='boolval'>true</span>, <span class='boolval'>false</span>];
<span class='kw'>let</span> <span class='ident'>lengths</span> <span class='op'>=</span> [<span class='number'>10</span>, <span class='number'>64</span>, <span class='number'>100</span>];
<span class='kw'>for</span> <span class='kw-2'>&</span><span class='ident'>b</span> <span class='kw'>in</span> <span class='kw-2'>&</span><span class='ident'>bools</span> {
<span class='kw'>for</span> <span class='kw-2'>&</span><span class='ident'>l</span> <span class='kw'>in</span> <span class='kw-2'>&</span><span class='ident'>lengths</span> {
<span class='kw'>let</span> <span class='ident'>bitset</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bit_vec</span>(<span class='ident'>BitVec</span>::<span class='ident'>from_elem</span>(<span class='ident'>l</span>, <span class='ident'>b</span>));
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>bitset</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='number'>1</span>), <span class='ident'>b</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>bitset</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span>(<span class='ident'>l</span><span class='op'>-</span><span class='number'>1</span>)), <span class='ident'>b</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>bitset</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='ident'>l</span>));
}
}
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_vec_masking</span>() {
<span class='kw'>let</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitVec</span>::<span class='ident'>from_elem</span>(<span class='number'>140</span>, <span class='boolval'>true</span>);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>bs</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bit_vec</span>(<span class='ident'>b</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>bs</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='number'>139</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>bs</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='number'>140</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>bs</span>.<span class='ident'>insert</span>(<span class='number'>150</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>bs</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='number'>140</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>bs</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='number'>149</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>bs</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='number'>150</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>bs</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='number'>151</span>));
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_basic</span>() {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>3</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>3</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='number'>3</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>4</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>4</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='number'>3</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>400</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>400</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='number'>400</span>));
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>len</span>(), <span class='number'>3</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_intersection</span>() {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>11</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>1</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>3</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>77</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>103</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>5</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>2</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>11</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>77</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>5</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>3</span>));
<span class='kw'>let</span> <span class='ident'>expected</span> <span class='op'>=</span> [<span class='number'>3</span>, <span class='number'>5</span>, <span class='number'>11</span>, <span class='number'>77</span>];
<span class='kw'>let</span> <span class='ident'>actual</span>: <span class='ident'>Vec</span><span class='op'><</span>_<span class='op'>></span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>intersection</span>(<span class='kw-2'>&</span><span class='ident'>b</span>).<span class='ident'>collect</span>();
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>actual</span>, <span class='ident'>expected</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_difference</span>() {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>1</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>3</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>5</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>200</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>500</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>3</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>200</span>));
<span class='kw'>let</span> <span class='ident'>expected</span> <span class='op'>=</span> [<span class='number'>1</span>, <span class='number'>5</span>, <span class='number'>500</span>];
<span class='kw'>let</span> <span class='ident'>actual</span>: <span class='ident'>Vec</span><span class='op'><</span>_<span class='op'>></span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>difference</span>(<span class='kw-2'>&</span><span class='ident'>b</span>).<span class='ident'>collect</span>();
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>actual</span>, <span class='ident'>expected</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_symmetric_difference</span>() {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>1</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>3</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>5</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>9</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>11</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>3</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>9</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>14</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>220</span>));
<span class='kw'>let</span> <span class='ident'>expected</span> <span class='op'>=</span> [<span class='number'>1</span>, <span class='number'>5</span>, <span class='number'>11</span>, <span class='number'>14</span>, <span class='number'>220</span>];
<span class='kw'>let</span> <span class='ident'>actual</span>: <span class='ident'>Vec</span><span class='op'><</span>_<span class='op'>></span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>symmetric_difference</span>(<span class='kw-2'>&</span><span class='ident'>b</span>).<span class='ident'>collect</span>();
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>actual</span>, <span class='ident'>expected</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_union</span>() {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>1</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>3</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>5</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>9</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>11</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>160</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>19</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>24</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>200</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>1</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>5</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>9</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>13</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>19</span>));
<span class='kw'>let</span> <span class='ident'>expected</span> <span class='op'>=</span> [<span class='number'>1</span>, <span class='number'>3</span>, <span class='number'>5</span>, <span class='number'>9</span>, <span class='number'>11</span>, <span class='number'>13</span>, <span class='number'>19</span>, <span class='number'>24</span>, <span class='number'>160</span>, <span class='number'>200</span>];
<span class='kw'>let</span> <span class='ident'>actual</span>: <span class='ident'>Vec</span><span class='op'><</span>_<span class='op'>></span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>union</span>(<span class='kw-2'>&</span><span class='ident'>b</span>).<span class='ident'>collect</span>();
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>actual</span>, <span class='ident'>expected</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_subset</span>() {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>set1</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>set2</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>set1</span>.<span class='ident'>is_subset</span>(<span class='kw-2'>&</span><span class='ident'>set2</span>)); <span class='comment'>// {} {}</span>
<span class='ident'>set2</span>.<span class='ident'>insert</span>(<span class='number'>100</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>set1</span>.<span class='ident'>is_subset</span>(<span class='kw-2'>&</span><span class='ident'>set2</span>)); <span class='comment'>// {} { 1 }</span>
<span class='ident'>set2</span>.<span class='ident'>insert</span>(<span class='number'>200</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>set1</span>.<span class='ident'>is_subset</span>(<span class='kw-2'>&</span><span class='ident'>set2</span>)); <span class='comment'>// {} { 1, 2 }</span>
<span class='ident'>set1</span>.<span class='ident'>insert</span>(<span class='number'>200</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>set1</span>.<span class='ident'>is_subset</span>(<span class='kw-2'>&</span><span class='ident'>set2</span>)); <span class='comment'>// { 2 } { 1, 2 }</span>
<span class='ident'>set1</span>.<span class='ident'>insert</span>(<span class='number'>300</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>set1</span>.<span class='ident'>is_subset</span>(<span class='kw-2'>&</span><span class='ident'>set2</span>)); <span class='comment'>// { 2, 3 } { 1, 2 }</span>
<span class='ident'>set2</span>.<span class='ident'>insert</span>(<span class='number'>300</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>set1</span>.<span class='ident'>is_subset</span>(<span class='kw-2'>&</span><span class='ident'>set2</span>)); <span class='comment'>// { 2, 3 } { 1, 2, 3 }</span>
<span class='ident'>set2</span>.<span class='ident'>insert</span>(<span class='number'>400</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>set1</span>.<span class='ident'>is_subset</span>(<span class='kw-2'>&</span><span class='ident'>set2</span>)); <span class='comment'>// { 2, 3 } { 1, 2, 3, 4 }</span>
<span class='ident'>set2</span>.<span class='ident'>remove</span>(<span class='kw-2'>&</span><span class='number'>100</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>set1</span>.<span class='ident'>is_subset</span>(<span class='kw-2'>&</span><span class='ident'>set2</span>)); <span class='comment'>// { 2, 3 } { 2, 3, 4 }</span>
<span class='ident'>set2</span>.<span class='ident'>remove</span>(<span class='kw-2'>&</span><span class='number'>300</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>set1</span>.<span class='ident'>is_subset</span>(<span class='kw-2'>&</span><span class='ident'>set2</span>)); <span class='comment'>// { 2, 3 } { 2, 4 }</span>
<span class='ident'>set1</span>.<span class='ident'>remove</span>(<span class='kw-2'>&</span><span class='number'>300</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>set1</span>.<span class='ident'>is_subset</span>(<span class='kw-2'>&</span><span class='ident'>set2</span>)); <span class='comment'>// { 2 } { 2, 4 }</span>
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_is_disjoint</span>() {
<span class='kw'>let</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b10100010</span>]);
<span class='kw'>let</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b01000000</span>]);
<span class='kw'>let</span> <span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='ident'>d</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b00110000</span>]);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>a</span>.<span class='ident'>is_disjoint</span>(<span class='kw-2'>&</span><span class='ident'>d</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>d</span>.<span class='ident'>is_disjoint</span>(<span class='kw-2'>&</span><span class='ident'>a</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>is_disjoint</span>(<span class='kw-2'>&</span><span class='ident'>b</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>is_disjoint</span>(<span class='kw-2'>&</span><span class='ident'>c</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>is_disjoint</span>(<span class='kw-2'>&</span><span class='ident'>a</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>is_disjoint</span>(<span class='kw-2'>&</span><span class='ident'>c</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>c</span>.<span class='ident'>is_disjoint</span>(<span class='kw-2'>&</span><span class='ident'>a</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>c</span>.<span class='ident'>is_disjoint</span>(<span class='kw-2'>&</span><span class='ident'>b</span>));
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_union_with</span>() {
<span class='comment'>//a should grow to include larger elements</span>
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>0</span>);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>5</span>);
<span class='kw'>let</span> <span class='ident'>expected</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b10000100</span>]);
<span class='ident'>a</span>.<span class='ident'>union_with</span>(<span class='kw-2'>&</span><span class='ident'>b</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>a</span>, <span class='ident'>expected</span>);
<span class='comment'>// Standard</span>
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b10100010</span>]);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b01100010</span>]);
<span class='kw'>let</span> <span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>clone</span>();
<span class='ident'>a</span>.<span class='ident'>union_with</span>(<span class='kw-2'>&</span><span class='ident'>b</span>);
<span class='ident'>b</span>.<span class='ident'>union_with</span>(<span class='kw-2'>&</span><span class='ident'>c</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>len</span>(), <span class='number'>4</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>len</span>(), <span class='number'>4</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_intersect_with</span>() {
<span class='comment'>// Explicitly 0'ed bits</span>
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b10100010</span>]);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b00000000</span>]);
<span class='kw'>let</span> <span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>clone</span>();
<span class='ident'>a</span>.<span class='ident'>intersect_with</span>(<span class='kw-2'>&</span><span class='ident'>b</span>);
<span class='ident'>b</span>.<span class='ident'>intersect_with</span>(<span class='kw-2'>&</span><span class='ident'>c</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>is_empty</span>());
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>is_empty</span>());
<span class='comment'>// Uninitialized bits should behave like 0's</span>
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b10100010</span>]);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>clone</span>();
<span class='ident'>a</span>.<span class='ident'>intersect_with</span>(<span class='kw-2'>&</span><span class='ident'>b</span>);
<span class='ident'>b</span>.<span class='ident'>intersect_with</span>(<span class='kw-2'>&</span><span class='ident'>c</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>is_empty</span>());
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>is_empty</span>());
<span class='comment'>// Standard</span>
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b10100010</span>]);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b01100010</span>]);
<span class='kw'>let</span> <span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>clone</span>();
<span class='ident'>a</span>.<span class='ident'>intersect_with</span>(<span class='kw-2'>&</span><span class='ident'>b</span>);
<span class='ident'>b</span>.<span class='ident'>intersect_with</span>(<span class='kw-2'>&</span><span class='ident'>c</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>len</span>(), <span class='number'>2</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>len</span>(), <span class='number'>2</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_difference_with</span>() {
<span class='comment'>// Explicitly 0'ed bits</span>
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b00000000</span>]);
<span class='kw'>let</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b10100010</span>]);
<span class='ident'>a</span>.<span class='ident'>difference_with</span>(<span class='kw-2'>&</span><span class='ident'>b</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>is_empty</span>());
<span class='comment'>// Uninitialized bits should behave like 0's</span>
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b11111111</span>]);
<span class='ident'>a</span>.<span class='ident'>difference_with</span>(<span class='kw-2'>&</span><span class='ident'>b</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>is_empty</span>());
<span class='comment'>// Standard</span>
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b10100010</span>]);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b01100010</span>]);
<span class='kw'>let</span> <span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>clone</span>();
<span class='ident'>a</span>.<span class='ident'>difference_with</span>(<span class='kw-2'>&</span><span class='ident'>b</span>);
<span class='ident'>b</span>.<span class='ident'>difference_with</span>(<span class='kw-2'>&</span><span class='ident'>c</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>len</span>(), <span class='number'>1</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>len</span>(), <span class='number'>1</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_symmetric_difference_with</span>() {
<span class='comment'>//a should grow to include larger elements</span>
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>0</span>);
<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>1</span>);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>1</span>);
<span class='ident'>b</span>.<span class='ident'>insert</span>(<span class='number'>5</span>);
<span class='kw'>let</span> <span class='ident'>expected</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b10000100</span>]);
<span class='ident'>a</span>.<span class='ident'>symmetric_difference_with</span>(<span class='kw-2'>&</span><span class='ident'>b</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>a</span>, <span class='ident'>expected</span>);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b10100010</span>]);
<span class='kw'>let</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>clone</span>();
<span class='ident'>a</span>.<span class='ident'>symmetric_difference_with</span>(<span class='kw-2'>&</span><span class='ident'>b</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>a</span>, <span class='ident'>c</span>);
<span class='comment'>// Standard</span>
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b11100010</span>]);
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b01101010</span>]);
<span class='kw'>let</span> <span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>clone</span>();
<span class='ident'>a</span>.<span class='ident'>symmetric_difference_with</span>(<span class='kw-2'>&</span><span class='ident'>b</span>);
<span class='ident'>b</span>.<span class='ident'>symmetric_difference_with</span>(<span class='kw-2'>&</span><span class='ident'>c</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>len</span>(), <span class='number'>2</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>len</span>(), <span class='number'>2</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_eq</span>() {
<span class='kw'>let</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b10100010</span>]);
<span class='kw'>let</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b00000000</span>]);
<span class='kw'>let</span> <span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span> <span class='op'>==</span> <span class='ident'>a</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span> <span class='op'>!=</span> <span class='ident'>b</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span> <span class='op'>!=</span> <span class='ident'>c</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span> <span class='op'>==</span> <span class='ident'>b</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span> <span class='op'>==</span> <span class='ident'>c</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>c</span> <span class='op'>==</span> <span class='ident'>c</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_set_cmp</span>() {
<span class='kw'>let</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b10100010</span>]);
<span class='kw'>let</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bytes</span>(<span class='kw-2'>&</span>[<span class='number'>0b00000000</span>]);
<span class='kw'>let</span> <span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='ident'>b</span>), <span class='ident'>Greater</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='ident'>c</span>), <span class='ident'>Greater</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='ident'>a</span>), <span class='ident'>Less</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='ident'>c</span>), <span class='ident'>Equal</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>c</span>.<span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='ident'>a</span>), <span class='ident'>Less</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>c</span>.<span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='ident'>b</span>), <span class='ident'>Equal</span>);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_vec_remove</span>() {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>1</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>remove</span>(<span class='kw-2'>&</span><span class='number'>1</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>100</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>remove</span>(<span class='kw-2'>&</span><span class='number'>100</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>1000</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>remove</span>(<span class='kw-2'>&</span><span class='number'>1000</span>));
<span class='ident'>a</span>.<span class='ident'>shrink_to_fit</span>();
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_bit_vec_clone</span>() {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>1</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>100</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>insert</span>(<span class='number'>1000</span>));
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>a</span>.<span class='ident'>clone</span>();
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span> <span class='op'>==</span> <span class='ident'>b</span>);
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>remove</span>(<span class='kw-2'>&</span><span class='number'>1</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='number'>1</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>a</span>.<span class='ident'>remove</span>(<span class='kw-2'>&</span><span class='number'>1000</span>));
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>b</span>.<span class='ident'>contains</span>(<span class='kw-2'>&</span><span class='number'>1000</span>));
}
<span class='comment'>/*
#[test]
fn test_bit_set_append() {
let mut a = BitSet::new();
a.insert(2);
a.insert(6);
let mut b = BitSet::new();
b.insert(1);
b.insert(3);
b.insert(6);
a.append(&mut b);
assert_eq!(a.len(), 4);
assert_eq!(b.len(), 0);
assert!(b.capacity() >= 6);
assert_eq!(a, BitSet::from_bytes(&[0b01110010]));
}
#[test]
fn test_bit_set_split_off() {
// Split at 0
let mut a = BitSet::from_bytes(&[0b10100000, 0b00010010, 0b10010010,
0b00110011, 0b01101011, 0b10101101]);
let b = a.split_off(0);
assert_eq!(a.len(), 0);
assert_eq!(b.len(), 21);
assert_eq!(b, BitSet::from_bytes(&[0b10100000, 0b00010010, 0b10010010,
0b00110011, 0b01101011, 0b10101101]);
// Split behind last element
let mut a = BitSet::from_bytes(&[0b10100000, 0b00010010, 0b10010010,
0b00110011, 0b01101011, 0b10101101]);
let b = a.split_off(50);
assert_eq!(a.len(), 21);
assert_eq!(b.len(), 0);
assert_eq!(a, BitSet::from_bytes(&[0b10100000, 0b00010010, 0b10010010,
0b00110011, 0b01101011, 0b10101101]));
// Split at arbitrary element
let mut a = BitSet::from_bytes(&[0b10100000, 0b00010010, 0b10010010,
0b00110011, 0b01101011, 0b10101101]);
let b = a.split_off(34);
assert_eq!(a.len(), 12);
assert_eq!(b.len(), 9);
assert_eq!(a, BitSet::from_bytes(&[0b10100000, 0b00010010, 0b10010010,
0b00110011, 0b01000000]));
assert_eq!(b, BitSet::from_bytes(&[0, 0, 0, 0,
0b00101011, 0b10101101]));
}
*/</span>
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>all</span>(<span class='ident'>test</span>, <span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"nightly"</span>))]</span>
<span class='kw'>mod</span> <span class='ident'>bench</span> {
<span class='kw'>use</span> <span class='ident'>super</span>::<span class='ident'>BitSet</span>;
<span class='kw'>use</span> <span class='ident'>bit_vec</span>::<span class='ident'>BitVec</span>;
<span class='kw'>use</span> <span class='ident'>rand</span>::{<span class='ident'>Rng</span>, <span class='ident'>thread_rng</span>, <span class='ident'>ThreadRng</span>};
<span class='kw'>use</span> <span class='ident'>test</span>::{<span class='ident'>Bencher</span>, <span class='ident'>black_box</span>};
<span class='kw'>const</span> <span class='ident'>BENCH_BITS</span>: <span class='ident'>usize</span> <span class='op'>=</span> <span class='number'>1</span> <span class='op'><<</span> <span class='number'>14</span>;
<span class='kw'>const</span> <span class='ident'>BITS</span>: <span class='ident'>usize</span> <span class='op'>=</span> <span class='number'>32</span>;
<span class='kw'>fn</span> <span class='ident'>rng</span>() <span class='op'>-></span> <span class='ident'>ThreadRng</span> {
<span class='ident'>thread_rng</span>()
}
<span class='attribute'>#[<span class='ident'>bench</span>]</span>
<span class='kw'>fn</span> <span class='ident'>bench_bit_vecset_small</span>(<span class='ident'>b</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Bencher</span>) {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>r</span> <span class='op'>=</span> <span class='ident'>rng</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>bit_vec</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='ident'>b</span>.<span class='ident'>iter</span>(<span class='op'>||</span> {
<span class='kw'>for</span> _ <span class='kw'>in</span> <span class='number'>0</span>..<span class='number'>100</span> {
<span class='ident'>bit_vec</span>.<span class='ident'>insert</span>((<span class='ident'>r</span>.<span class='ident'>next_u32</span>() <span class='kw'>as</span> <span class='ident'>usize</span>) <span class='op'>%</span> <span class='ident'>BITS</span>);
}
<span class='ident'>black_box</span>(<span class='kw-2'>&</span><span class='ident'>bit_vec</span>);
});
}
<span class='attribute'>#[<span class='ident'>bench</span>]</span>
<span class='kw'>fn</span> <span class='ident'>bench_bit_vecset_big</span>(<span class='ident'>b</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Bencher</span>) {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>r</span> <span class='op'>=</span> <span class='ident'>rng</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>bit_vec</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>new</span>();
<span class='ident'>b</span>.<span class='ident'>iter</span>(<span class='op'>||</span> {
<span class='kw'>for</span> _ <span class='kw'>in</span> <span class='number'>0</span>..<span class='number'>100</span> {
<span class='ident'>bit_vec</span>.<span class='ident'>insert</span>((<span class='ident'>r</span>.<span class='ident'>next_u32</span>() <span class='kw'>as</span> <span class='ident'>usize</span>) <span class='op'>%</span> <span class='ident'>BENCH_BITS</span>);
}
<span class='ident'>black_box</span>(<span class='kw-2'>&</span><span class='ident'>bit_vec</span>);
});
}
<span class='attribute'>#[<span class='ident'>bench</span>]</span>
<span class='kw'>fn</span> <span class='ident'>bench_bit_vecset_iter</span>(<span class='ident'>b</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Bencher</span>) {
<span class='kw'>let</span> <span class='ident'>bit_vec</span> <span class='op'>=</span> <span class='ident'>BitSet</span>::<span class='ident'>from_bit_vec</span>(<span class='ident'>BitVec</span>::<span class='ident'>from_fn</span>(<span class='ident'>BENCH_BITS</span>,
<span class='op'>|</span><span class='ident'>idx</span><span class='op'>|</span> {<span class='ident'>idx</span> <span class='op'>%</span> <span class='number'>3</span> <span class='op'>==</span> <span class='number'>0</span>}));
<span class='ident'>b</span>.<span class='ident'>iter</span>(<span class='op'>||</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>sum</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>for</span> <span class='ident'>idx</span> <span class='kw'>in</span> <span class='kw-2'>&</span><span class='ident'>bit_vec</span> {
<span class='ident'>sum</span> <span class='op'>+=</span> <span class='ident'>idx</span> <span class='kw'>as</span> <span class='ident'>usize</span>;
}
<span class='ident'>sum</span>
})
}
}</pre>
</section>
<section id='search' class="content hidden"></section>
<section class="footer"></section>
<aside id="help" class="hidden">
<div>
<h1 class="hidden">Help</h1>
<div class="shortcuts">
<h2>Keyboard Shortcuts</h2>
<dl>
<dt>?</dt>
<dd>Show this help dialog</dd>
<dt>S</dt>
<dd>Focus the search field</dd>
<dt>⇤</dt>
<dd>Move up in search results</dd>
<dt>⇥</dt>
<dd>Move down in search results</dd>
<dt>⏎</dt>
<dd>Go to active search result</dd>
</dl>
</div>
<div class="infos">
<h2>Search Tricks</h2>
<p>
Prefix searches with a type followed by a colon (e.g.
<code>fn:</code>) to restrict the search to a given type.
</p>
<p>
Accepted types are: <code>fn</code>, <code>mod</code>,
<code>struct</code>, <code>enum</code>,
<code>trait</code>, <code>type</code>, <code>macro</code>,
and <code>const</code>.
</p>
<p>
Search functions by type signature (e.g.
<code>vec -> usize</code> or <code>* -> vec</code>)
</p>
</div>
</div>
</aside>
<script>
window.rootPath = "../../";
window.currentCrate = "bit_set";
window.playgroundUrl = "";
</script>
<script src="../../jquery.js"></script>
<script src="../../main.js"></script>
<script defer src="../../search-index.js"></script>
</body>
</html>