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</pre><pre class='rust '>
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>fmt</span>::{<span class='self'>self</span>, <span class='ident'>Write</span>};
<span class='kw'>use</span> <span class='kw'>super</span>::{<span class='ident'>TmFmt</span>, <span class='ident'>Tm</span>, <span class='ident'>Fmt</span>};
<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>fmt</span>::<span class='ident'>Display</span> <span class='kw'>for</span> <span class='ident'>TmFmt</span><span class='op'><</span><span class='lifetime'>'a</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='kw'>match</span> <span class='self'>self</span>.<span class='ident'>format</span> {
<span class='ident'>Fmt</span>::<span class='ident'>Str</span>(<span class='kw-2'>ref</span> <span class='ident'>s</span>) <span class='op'>=></span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>chars</span> <span class='op'>=</span> <span class='ident'>s</span>.<span class='ident'>chars</span>();
<span class='kw'>while</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>(<span class='ident'>ch</span>) <span class='op'>=</span> <span class='ident'>chars</span>.<span class='ident'>next</span>() {
<span class='kw'>if</span> <span class='ident'>ch</span> <span class='op'>==</span> <span class='string'>'%'</span> {
<span class='comment'>// we've already validated that % always precedes</span>
<span class='comment'>// another char</span>
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='ident'>chars</span>.<span class='ident'>next</span>().<span class='ident'>unwrap</span>(), <span class='self'>self</span>.<span class='ident'>tm</span>));
} <span class='kw'>else</span> {
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_char</span>(<span class='ident'>ch</span>));
}
}
<span class='prelude-val'>Ok</span>(())
}
<span class='ident'>Fmt</span>::<span class='ident'>Ctime</span> <span class='op'>=></span> <span class='self'>self</span>.<span class='ident'>tm</span>.<span class='ident'>to_local</span>().<span class='ident'>asctime</span>().<span class='ident'>fmt</span>(<span class='ident'>fmt</span>),
<span class='ident'>Fmt</span>::<span class='ident'>Rfc3339</span> <span class='op'>=></span> {
<span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>tm</span>.<span class='ident'>tm_utcoff</span> <span class='op'>==</span> <span class='number'>0</span> {
<span class='ident'>TmFmt</span> {
<span class='ident'>tm</span>: <span class='self'>self</span>.<span class='ident'>tm</span>,
<span class='ident'>format</span>: <span class='ident'>Fmt</span>::<span class='ident'>Str</span>(<span class='string'>"%Y-%m-%dT%H:%M:%SZ"</span>),
}.<span class='ident'>fmt</span>(<span class='ident'>fmt</span>)
} <span class='kw'>else</span> {
<span class='kw'>let</span> <span class='ident'>s</span> <span class='op'>=</span> <span class='ident'>TmFmt</span> {
<span class='ident'>tm</span>: <span class='self'>self</span>.<span class='ident'>tm</span>,
<span class='ident'>format</span>: <span class='ident'>Fmt</span>::<span class='ident'>Str</span>(<span class='string'>"%Y-%m-%dT%H:%M:%S"</span>),
};
<span class='kw'>let</span> <span class='ident'>sign</span> <span class='op'>=</span> <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>tm</span>.<span class='ident'>tm_utcoff</span> <span class='op'>></span> <span class='number'>0</span> { <span class='string'>'+'</span> } <span class='kw'>else</span> { <span class='string'>'-'</span> };
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>m</span> <span class='op'>=</span> <span class='ident'>abs</span>(<span class='self'>self</span>.<span class='ident'>tm</span>.<span class='ident'>tm_utcoff</span>) <span class='op'>/</span> <span class='number'>60</span>;
<span class='kw'>let</span> <span class='ident'>h</span> <span class='op'>=</span> <span class='ident'>m</span> <span class='op'>/</span> <span class='number'>60</span>;
<span class='ident'>m</span> <span class='op'>-=</span> <span class='ident'>h</span> <span class='op'>*</span> <span class='number'>60</span>;
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{}{}{:02}:{:02}"</span>, <span class='ident'>s</span>, <span class='ident'>sign</span>, <span class='ident'>h</span>, <span class='ident'>m</span>)
}
}
}
}
}
<span class='kw'>fn</span> <span class='ident'>is_leap_year</span>(<span class='ident'>year</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='ident'>bool</span> {
(<span class='ident'>year</span> <span class='op'>%</span> <span class='number'>4</span> <span class='op'>==</span> <span class='number'>0</span>) <span class='op'>&&</span> ((<span class='ident'>year</span> <span class='op'>%</span> <span class='number'>100</span> <span class='op'>!=</span> <span class='number'>0</span>) <span class='op'>||</span> (<span class='ident'>year</span> <span class='op'>%</span> <span class='number'>400</span> <span class='op'>==</span> <span class='number'>0</span>))
}
<span class='kw'>fn</span> <span class='ident'>days_in_year</span>(<span class='ident'>year</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='ident'>i32</span> {
<span class='kw'>if</span> <span class='ident'>is_leap_year</span>(<span class='ident'>year</span>) { <span class='number'>366</span> }
<span class='kw'>else</span> { <span class='number'>365</span> }
}
<span class='kw'>fn</span> <span class='ident'>iso_week_days</span>(<span class='ident'>yday</span>: <span class='ident'>i32</span>, <span class='ident'>wday</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='ident'>i32</span> {
<span class='comment'>/* The number of days from the first day of the first ISO week of this
* year to the year day YDAY with week day WDAY.
* ISO weeks start on Monday. The first ISO week has the year's first
* Thursday.
* YDAY may be as small as yday_minimum.
*/</span>
<span class='kw'>let</span> <span class='ident'>iso_week_start_wday</span>: <span class='ident'>i32</span> <span class='op'>=</span> <span class='number'>1</span>; <span class='comment'>/* Monday */</span>
<span class='kw'>let</span> <span class='ident'>iso_week1_wday</span>: <span class='ident'>i32</span> <span class='op'>=</span> <span class='number'>4</span>; <span class='comment'>/* Thursday */</span>
<span class='kw'>let</span> <span class='ident'>yday_minimum</span>: <span class='ident'>i32</span> <span class='op'>=</span> <span class='number'>366</span>;
<span class='comment'>/* Add enough to the first operand of % to make it nonnegative. */</span>
<span class='kw'>let</span> <span class='ident'>big_enough_multiple_of_7</span>: <span class='ident'>i32</span> <span class='op'>=</span> (<span class='ident'>yday_minimum</span> <span class='op'>/</span> <span class='number'>7</span> <span class='op'>+</span> <span class='number'>2</span>) <span class='op'>*</span> <span class='number'>7</span>;
<span class='ident'>yday</span> <span class='op'>-</span> (<span class='ident'>yday</span> <span class='op'>-</span> <span class='ident'>wday</span> <span class='op'>+</span> <span class='ident'>iso_week1_wday</span> <span class='op'>+</span> <span class='ident'>big_enough_multiple_of_7</span>) <span class='op'>%</span> <span class='number'>7</span>
<span class='op'>+</span> <span class='ident'>iso_week1_wday</span> <span class='op'>-</span> <span class='ident'>iso_week_start_wday</span>
}
<span class='kw'>fn</span> <span class='ident'>iso_week</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='ident'>ch</span>:<span class='ident'>char</span>, <span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='ident'>Tm</span>) <span class='op'>-></span> <span class='ident'>fmt</span>::<span class='prelude-ty'>Result</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>year</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_year</span> <span class='op'>+</span> <span class='number'>1900</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>days</span> <span class='op'>=</span> <span class='ident'>iso_week_days</span>(<span class='ident'>tm</span>.<span class='ident'>tm_yday</span>, <span class='ident'>tm</span>.<span class='ident'>tm_wday</span>);
<span class='kw'>if</span> <span class='ident'>days</span> <span class='op'><</span> <span class='number'>0</span> {
<span class='comment'>/* This ISO week belongs to the previous year. */</span>
<span class='ident'>year</span> <span class='op'>-=</span> <span class='number'>1</span>;
<span class='ident'>days</span> <span class='op'>=</span> <span class='ident'>iso_week_days</span>(<span class='ident'>tm</span>.<span class='ident'>tm_yday</span> <span class='op'>+</span> (<span class='ident'>days_in_year</span>(<span class='ident'>year</span>)), <span class='ident'>tm</span>.<span class='ident'>tm_wday</span>);
} <span class='kw'>else</span> {
<span class='kw'>let</span> <span class='ident'>d</span> <span class='op'>=</span> <span class='ident'>iso_week_days</span>(<span class='ident'>tm</span>.<span class='ident'>tm_yday</span> <span class='op'>-</span> (<span class='ident'>days_in_year</span>(<span class='ident'>year</span>)),
<span class='ident'>tm</span>.<span class='ident'>tm_wday</span>);
<span class='kw'>if</span> <span class='number'>0</span> <span class='op'><=</span> <span class='ident'>d</span> {
<span class='comment'>/* This ISO week belongs to the next year. */</span>
<span class='ident'>year</span> <span class='op'>+=</span> <span class='number'>1</span>;
<span class='ident'>days</span> <span class='op'>=</span> <span class='ident'>d</span>;
}
}
<span class='kw'>match</span> <span class='ident'>ch</span> {
<span class='string'>'G'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{}"</span>, <span class='ident'>year</span>),
<span class='string'>'g'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:02}"</span>, (<span class='ident'>year</span> <span class='op'>%</span> <span class='number'>100</span> <span class='op'>+</span> <span class='number'>100</span>) <span class='op'>%</span> <span class='number'>100</span>),
<span class='string'>'V'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:02}"</span>, <span class='ident'>days</span> <span class='op'>/</span> <span class='number'>7</span> <span class='op'>+</span> <span class='number'>1</span>),
_ <span class='op'>=></span> <span class='prelude-val'>Ok</span>(())
}
}
<span class='kw'>fn</span> <span class='ident'>parse_type</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='ident'>ch</span>: <span class='ident'>char</span>, <span class='ident'>tm</span>: <span class='kw-2'>&</span><span class='ident'>Tm</span>) <span class='op'>-></span> <span class='ident'>fmt</span>::<span class='prelude-ty'>Result</span> {
<span class='kw'>match</span> <span class='ident'>ch</span> {
<span class='string'>'A'</span> <span class='op'>=></span> <span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='kw'>match</span> <span class='ident'>tm</span>.<span class='ident'>tm_wday</span> {
<span class='number'>0</span> <span class='op'>=></span> <span class='string'>"Sunday"</span>,
<span class='number'>1</span> <span class='op'>=></span> <span class='string'>"Monday"</span>,
<span class='number'>2</span> <span class='op'>=></span> <span class='string'>"Tuesday"</span>,
<span class='number'>3</span> <span class='op'>=></span> <span class='string'>"Wednesday"</span>,
<span class='number'>4</span> <span class='op'>=></span> <span class='string'>"Thursday"</span>,
<span class='number'>5</span> <span class='op'>=></span> <span class='string'>"Friday"</span>,
<span class='number'>6</span> <span class='op'>=></span> <span class='string'>"Saturday"</span>,
_ <span class='op'>=></span> <span class='macro'>unreachable</span><span class='macro'>!</span>(),
}),
<span class='string'>'a'</span> <span class='op'>=></span> <span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='kw'>match</span> <span class='ident'>tm</span>.<span class='ident'>tm_wday</span> {
<span class='number'>0</span> <span class='op'>=></span> <span class='string'>"Sun"</span>,
<span class='number'>1</span> <span class='op'>=></span> <span class='string'>"Mon"</span>,
<span class='number'>2</span> <span class='op'>=></span> <span class='string'>"Tue"</span>,
<span class='number'>3</span> <span class='op'>=></span> <span class='string'>"Wed"</span>,
<span class='number'>4</span> <span class='op'>=></span> <span class='string'>"Thu"</span>,
<span class='number'>5</span> <span class='op'>=></span> <span class='string'>"Fri"</span>,
<span class='number'>6</span> <span class='op'>=></span> <span class='string'>"Sat"</span>,
_ <span class='op'>=></span> <span class='macro'>unreachable</span><span class='macro'>!</span>(),
}),
<span class='string'>'B'</span> <span class='op'>=></span> <span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='kw'>match</span> <span class='ident'>tm</span>.<span class='ident'>tm_mon</span> {
<span class='number'>0</span> <span class='op'>=></span> <span class='string'>"January"</span>,
<span class='number'>1</span> <span class='op'>=></span> <span class='string'>"February"</span>,
<span class='number'>2</span> <span class='op'>=></span> <span class='string'>"March"</span>,
<span class='number'>3</span> <span class='op'>=></span> <span class='string'>"April"</span>,
<span class='number'>4</span> <span class='op'>=></span> <span class='string'>"May"</span>,
<span class='number'>5</span> <span class='op'>=></span> <span class='string'>"June"</span>,
<span class='number'>6</span> <span class='op'>=></span> <span class='string'>"July"</span>,
<span class='number'>7</span> <span class='op'>=></span> <span class='string'>"August"</span>,
<span class='number'>8</span> <span class='op'>=></span> <span class='string'>"September"</span>,
<span class='number'>9</span> <span class='op'>=></span> <span class='string'>"October"</span>,
<span class='number'>10</span> <span class='op'>=></span> <span class='string'>"November"</span>,
<span class='number'>11</span> <span class='op'>=></span> <span class='string'>"December"</span>,
_ <span class='op'>=></span> <span class='macro'>unreachable</span><span class='macro'>!</span>(),
}),
<span class='string'>'b'</span> <span class='op'>|</span> <span class='string'>'h'</span> <span class='op'>=></span> <span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='kw'>match</span> <span class='ident'>tm</span>.<span class='ident'>tm_mon</span> {
<span class='number'>0</span> <span class='op'>=></span> <span class='string'>"Jan"</span>,
<span class='number'>1</span> <span class='op'>=></span> <span class='string'>"Feb"</span>,
<span class='number'>2</span> <span class='op'>=></span> <span class='string'>"Mar"</span>,
<span class='number'>3</span> <span class='op'>=></span> <span class='string'>"Apr"</span>,
<span class='number'>4</span> <span class='op'>=></span> <span class='string'>"May"</span>,
<span class='number'>5</span> <span class='op'>=></span> <span class='string'>"Jun"</span>,
<span class='number'>6</span> <span class='op'>=></span> <span class='string'>"Jul"</span>,
<span class='number'>7</span> <span class='op'>=></span> <span class='string'>"Aug"</span>,
<span class='number'>8</span> <span class='op'>=></span> <span class='string'>"Sep"</span>,
<span class='number'>9</span> <span class='op'>=></span> <span class='string'>"Oct"</span>,
<span class='number'>10</span> <span class='op'>=></span> <span class='string'>"Nov"</span>,
<span class='number'>11</span> <span class='op'>=></span> <span class='string'>"Dec"</span>,
_ <span class='op'>=></span> <span class='macro'>unreachable</span><span class='macro'>!</span>(),
}),
<span class='string'>'C'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:02}"</span>, (<span class='ident'>tm</span>.<span class='ident'>tm_year</span> <span class='op'>+</span> <span class='number'>1900</span>) <span class='op'>/</span> <span class='number'>100</span>),
<span class='string'>'c'</span> <span class='op'>=></span> {
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'a'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>" "</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'b'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>" "</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'e'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>" "</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'T'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>" "</span>));
<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'Y'</span>, <span class='ident'>tm</span>)
}
<span class='string'>'D'</span> <span class='op'>|</span> <span class='string'>'x'</span> <span class='op'>=></span> {
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'m'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>"/"</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'d'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>"/"</span>));
<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'y'</span>, <span class='ident'>tm</span>)
}
<span class='string'>'d'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:02}"</span>, <span class='ident'>tm</span>.<span class='ident'>tm_mday</span>),
<span class='string'>'e'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:2}"</span>, <span class='ident'>tm</span>.<span class='ident'>tm_mday</span>),
<span class='string'>'f'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:09}"</span>, <span class='ident'>tm</span>.<span class='ident'>tm_nsec</span>),
<span class='string'>'F'</span> <span class='op'>=></span> {
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'Y'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>"-"</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'m'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>"-"</span>));
<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'d'</span>, <span class='ident'>tm</span>)
}
<span class='string'>'G'</span> <span class='op'>=></span> <span class='ident'>iso_week</span>(<span class='ident'>fmt</span>, <span class='string'>'G'</span>, <span class='ident'>tm</span>),
<span class='string'>'g'</span> <span class='op'>=></span> <span class='ident'>iso_week</span>(<span class='ident'>fmt</span>, <span class='string'>'g'</span>, <span class='ident'>tm</span>),
<span class='string'>'H'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:02}"</span>, <span class='ident'>tm</span>.<span class='ident'>tm_hour</span>),
<span class='string'>'I'</span> <span class='op'>=></span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>h</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_hour</span>;
<span class='kw'>if</span> <span class='ident'>h</span> <span class='op'>==</span> <span class='number'>0</span> { <span class='ident'>h</span> <span class='op'>=</span> <span class='number'>12</span> }
<span class='kw'>if</span> <span class='ident'>h</span> <span class='op'>></span> <span class='number'>12</span> { <span class='ident'>h</span> <span class='op'>-=</span> <span class='number'>12</span> }
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:02}"</span>, <span class='ident'>h</span>)
}
<span class='string'>'j'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:03}"</span>, <span class='ident'>tm</span>.<span class='ident'>tm_yday</span> <span class='op'>+</span> <span class='number'>1</span>),
<span class='string'>'k'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:2}"</span>, <span class='ident'>tm</span>.<span class='ident'>tm_hour</span>),
<span class='string'>'l'</span> <span class='op'>=></span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>h</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_hour</span>;
<span class='kw'>if</span> <span class='ident'>h</span> <span class='op'>==</span> <span class='number'>0</span> { <span class='ident'>h</span> <span class='op'>=</span> <span class='number'>12</span> }
<span class='kw'>if</span> <span class='ident'>h</span> <span class='op'>></span> <span class='number'>12</span> { <span class='ident'>h</span> <span class='op'>-=</span> <span class='number'>12</span> }
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:2}"</span>, <span class='ident'>h</span>)
}
<span class='string'>'M'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:02}"</span>, <span class='ident'>tm</span>.<span class='ident'>tm_min</span>),
<span class='string'>'m'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:02}"</span>, <span class='ident'>tm</span>.<span class='ident'>tm_mon</span> <span class='op'>+</span> <span class='number'>1</span>),
<span class='string'>'n'</span> <span class='op'>=></span> <span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>"\n"</span>),
<span class='string'>'P'</span> <span class='op'>=></span> <span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='kw'>if</span> <span class='ident'>tm</span>.<span class='ident'>tm_hour</span> <span class='op'><</span> <span class='number'>12</span> { <span class='string'>"am"</span> } <span class='kw'>else</span> { <span class='string'>"pm"</span> }),
<span class='string'>'p'</span> <span class='op'>=></span> <span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='kw'>if</span> (<span class='ident'>tm</span>.<span class='ident'>tm_hour</span>) <span class='op'><</span> <span class='number'>12</span> { <span class='string'>"AM"</span> } <span class='kw'>else</span> { <span class='string'>"PM"</span> }),
<span class='string'>'R'</span> <span class='op'>=></span> {
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'H'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>":"</span>));
<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'M'</span>, <span class='ident'>tm</span>)
}
<span class='string'>'r'</span> <span class='op'>=></span> {
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'I'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>":"</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'M'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>":"</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'S'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>" "</span>));
<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'p'</span>, <span class='ident'>tm</span>)
}
<span class='string'>'S'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:02}"</span>, <span class='ident'>tm</span>.<span class='ident'>tm_sec</span>),
<span class='string'>'s'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{}"</span>, <span class='ident'>tm</span>.<span class='ident'>to_timespec</span>().<span class='ident'>sec</span>),
<span class='string'>'T'</span> <span class='op'>|</span> <span class='string'>'X'</span> <span class='op'>=></span> {
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'H'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>":"</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'M'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>":"</span>));
<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'S'</span>, <span class='ident'>tm</span>)
}
<span class='string'>'t'</span> <span class='op'>=></span> <span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>"\t"</span>),
<span class='string'>'U'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:02}"</span>, (<span class='ident'>tm</span>.<span class='ident'>tm_yday</span> <span class='op'>-</span> <span class='ident'>tm</span>.<span class='ident'>tm_wday</span> <span class='op'>+</span> <span class='number'>7</span>) <span class='op'>/</span> <span class='number'>7</span>),
<span class='string'>'u'</span> <span class='op'>=></span> {
<span class='kw'>let</span> <span class='ident'>i</span> <span class='op'>=</span> <span class='ident'>tm</span>.<span class='ident'>tm_wday</span>;
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{}"</span>, (<span class='kw'>if</span> <span class='ident'>i</span> <span class='op'>==</span> <span class='number'>0</span> { <span class='number'>7</span> } <span class='kw'>else</span> { <span class='ident'>i</span> }))
}
<span class='string'>'V'</span> <span class='op'>=></span> <span class='ident'>iso_week</span>(<span class='ident'>fmt</span>, <span class='string'>'V'</span>, <span class='ident'>tm</span>),
<span class='string'>'v'</span> <span class='op'>=></span> {
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'e'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>"-"</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'b'</span>, <span class='ident'>tm</span>));
<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>"-"</span>));
<span class='ident'>parse_type</span>(<span class='ident'>fmt</span>, <span class='string'>'Y'</span>, <span class='ident'>tm</span>)
}
<span class='string'>'W'</span> <span class='op'>=></span> {
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:02}"</span>, (<span class='ident'>tm</span>.<span class='ident'>tm_yday</span> <span class='op'>-</span> (<span class='ident'>tm</span>.<span class='ident'>tm_wday</span> <span class='op'>-</span> <span class='number'>1</span> <span class='op'>+</span> <span class='number'>7</span>) <span class='op'>%</span> <span class='number'>7</span> <span class='op'>+</span> <span class='number'>7</span>) <span class='op'>/</span> <span class='number'>7</span>)
}
<span class='string'>'w'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{}"</span>, <span class='ident'>tm</span>.<span class='ident'>tm_wday</span>),
<span class='string'>'Y'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{}"</span>, <span class='ident'>tm</span>.<span class='ident'>tm_year</span> <span class='op'>+</span> <span class='number'>1900</span>),
<span class='string'>'y'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{:02}"</span>, (<span class='ident'>tm</span>.<span class='ident'>tm_year</span> <span class='op'>+</span> <span class='number'>1900</span>) <span class='op'>%</span> <span class='number'>100</span>),
<span class='comment'>// FIXME (#2350): support locale</span>
<span class='string'>'Z'</span> <span class='op'>=></span> <span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='kw'>if</span> <span class='ident'>tm</span>.<span class='ident'>tm_utcoff</span> <span class='op'>==</span> <span class='number'>0</span> { <span class='string'>"UTC"</span>} <span class='kw'>else</span> { <span class='string'>""</span> }),
<span class='string'>'z'</span> <span class='op'>=></span> {
<span class='kw'>let</span> <span class='ident'>sign</span> <span class='op'>=</span> <span class='kw'>if</span> <span class='ident'>tm</span>.<span class='ident'>tm_utcoff</span> <span class='op'>></span> <span class='number'>0</span> { <span class='string'>'+'</span> } <span class='kw'>else</span> { <span class='string'>'-'</span> };
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>m</span> <span class='op'>=</span> <span class='ident'>abs</span>(<span class='ident'>tm</span>.<span class='ident'>tm_utcoff</span>) <span class='op'>/</span> <span class='number'>60</span>;
<span class='kw'>let</span> <span class='ident'>h</span> <span class='op'>=</span> <span class='ident'>m</span> <span class='op'>/</span> <span class='number'>60</span>;
<span class='ident'>m</span> <span class='op'>-=</span> <span class='ident'>h</span> <span class='op'>*</span> <span class='number'>60</span>;
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{}{:02}{:02}"</span>, <span class='ident'>sign</span>, <span class='ident'>h</span>, <span class='ident'>m</span>)
}
<span class='string'>'+'</span> <span class='op'>=></span> <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"{}"</span>, <span class='ident'>tm</span>.<span class='ident'>rfc3339</span>()),
<span class='string'>'%'</span> <span class='op'>=></span> <span class='ident'>fmt</span>.<span class='ident'>write_str</span>(<span class='string'>"%"</span>),
_ <span class='op'>=></span> <span class='macro'>unreachable</span><span class='macro'>!</span>(),
}
}
<span class='kw'>fn</span> <span class='ident'>abs</span>(<span class='ident'>i</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='ident'>i32</span> {
<span class='kw'>if</span> <span class='ident'>i</span> <span class='op'><</span> <span class='number'>0</span> {<span class='op'>-</span><span class='ident'>i</span>} <span class='kw'>else</span> {<span class='ident'>i</span>}
}
</pre>
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