rust_keylock 0.3.0

A password manager with goals to be Secure, Simple to use, Portable and Extensible
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</pre><pre class='rust '>
<span class='comment'>// Licensed under the Apache License, Version 2.0 &lt;LICENSE-APACHE or</span>
<span class='comment'>// http://www.apache.org/licenses/LICENSE-2.0&gt; or the MIT license</span>
<span class='comment'>// &lt;LICENSE-MIT or http://opensource.org/licenses/MIT&gt;, 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'>/// This module just implements a simple verison of step_by() since</span>
<span class='doccomment'>/// the function from the standard library is currently unstable.</span>
<span class='doccomment'>/// This should be removed once that function becomes stable.</span>

<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ops</span>::{<span class='ident'>Add</span>, <span class='ident'>Range</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'>StepUp</span><span class='op'>&lt;</span><span class='ident'>T</span><span class='op'>&gt;</span> {
    <span class='ident'>next</span>: <span class='ident'>T</span>,
    <span class='ident'>end</span>: <span class='ident'>T</span>,
    <span class='ident'>ammount</span>: <span class='ident'>T</span>
}

<span class='kw'>impl</span> <span class='op'>&lt;</span><span class='ident'>T</span><span class='op'>&gt;</span> <span class='ident'>Iterator</span> <span class='kw'>for</span> <span class='ident'>StepUp</span><span class='op'>&lt;</span><span class='ident'>T</span><span class='op'>&gt;</span> <span class='kw'>where</span>
        <span class='ident'>T</span>: <span class='ident'>Add</span><span class='op'>&lt;</span><span class='ident'>T</span>, <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>T</span><span class='op'>&gt;</span> <span class='op'>+</span> <span class='ident'>PartialOrd</span> <span class='op'>+</span> <span class='ident'>Copy</span> {
    <span class='kw'>type</span> <span class='ident'>Item</span> <span class='op'>=</span> <span class='ident'>T</span>;

    <span class='attribute'>#[<span class='ident'>inline</span>]</span>
    <span class='kw'>fn</span> <span class='ident'>next</span>(<span class='kw-2'>&amp;</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-&gt;</span> <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>T</span><span class='op'>&gt;</span> {
        <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>next</span> <span class='op'>&lt;</span> <span class='self'>self</span>.<span class='ident'>end</span> {
            <span class='kw'>let</span> <span class='ident'>n</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>next</span>;
            <span class='self'>self</span>.<span class='ident'>next</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>next</span> <span class='op'>+</span> <span class='self'>self</span>.<span class='ident'>ammount</span>;
            <span class='prelude-val'>Some</span>(<span class='ident'>n</span>)
        } <span class='kw'>else</span> {
            <span class='prelude-val'>None</span>
        }
    }
}

<span class='kw'>pub</span> <span class='kw'>trait</span> <span class='ident'>RangeExt</span><span class='op'>&lt;</span><span class='ident'>T</span><span class='op'>&gt;</span> {
    <span class='kw'>fn</span> <span class='ident'>step_up</span>(<span class='self'>self</span>, <span class='ident'>ammount</span>: <span class='ident'>T</span>) <span class='op'>-&gt;</span> <span class='ident'>StepUp</span><span class='op'>&lt;</span><span class='ident'>T</span><span class='op'>&gt;</span>;
}

<span class='kw'>impl</span> <span class='op'>&lt;</span><span class='ident'>T</span><span class='op'>&gt;</span> <span class='ident'>RangeExt</span><span class='op'>&lt;</span><span class='ident'>T</span><span class='op'>&gt;</span> <span class='kw'>for</span> <span class='ident'>Range</span><span class='op'>&lt;</span><span class='ident'>T</span><span class='op'>&gt;</span> <span class='kw'>where</span>
        <span class='ident'>T</span>: <span class='ident'>Add</span><span class='op'>&lt;</span><span class='ident'>T</span>, <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>T</span><span class='op'>&gt;</span> <span class='op'>+</span> <span class='ident'>PartialOrd</span> <span class='op'>+</span> <span class='ident'>Copy</span> {
    <span class='kw'>fn</span> <span class='ident'>step_up</span>(<span class='self'>self</span>, <span class='ident'>ammount</span>: <span class='ident'>T</span>) <span class='op'>-&gt;</span> <span class='ident'>StepUp</span><span class='op'>&lt;</span><span class='ident'>T</span><span class='op'>&gt;</span> {
        <span class='ident'>StepUp</span> {
            <span class='ident'>next</span>: <span class='self'>self</span>.<span class='ident'>start</span>,
            <span class='ident'>end</span>: <span class='self'>self</span>.<span class='ident'>end</span>,
            <span class='ident'>ammount</span>: <span class='ident'>ammount</span>
        }
    }
}

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