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<h1 class='fqn'><span class='in-band'>Struct <a href='../../index.html'>bitflags</a>::<wbr><a href='../index.html'>__core</a>::<wbr><a href='index.html'>time</a>::<wbr><a class='struct' href=''>Duration</a></span><span class='out-of-band'><span id='render-detail'>
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[<span class='inner'>&#x2212;</span>]
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</span><a id='src-10456' class='srclink' href='https://doc.rust-lang.org/nightly/std/time/duration/struct.Duration.html?gotosrc=10456' title='goto source code'>[src]</a></span></h1>
<pre class='rust struct'>pub struct Duration {
// some fields omitted
}</pre><span class="since">1.3.0</span><div class='docblock'><p>A duration type to represent a span of time, typically used for system
timeouts.</p>
<p>Each duration is composed of a number of seconds and nanosecond precision.
APIs binding a system timeout will typically round up the nanosecond
precision if the underlying system does not support that level of precision.</p>
<p>Durations implement many common traits, including <code>Add</code>, <code>Sub</code>, and other
ops traits. Currently a duration may only be inspected for its number of
seconds and its nanosecond precision.</p>
<h1 id='examples' class='section-header'><a href='#examples'>Examples</a></h1>
<pre class='rust rust-example-rendered'>
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>time</span>::<span class='ident'>Duration</span>;
<span class='kw'>let</span> <span class='ident'>five_seconds</span> <span class='op'>=</span> <span class='ident'>Duration</span>::<span class='ident'>new</span>(<span class='number'>5</span>, <span class='number'>0</span>);
<span class='kw'>let</span> <span class='ident'>five_seconds_and_five_nanos</span> <span class='op'>=</span> <span class='ident'>five_seconds</span> <span class='op'>+</span> <span class='ident'>Duration</span>::<span class='ident'>new</span>(<span class='number'>0</span>, <span class='number'>5</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>five_seconds_and_five_nanos</span>.<span class='ident'>as_secs</span>(), <span class='number'>5</span>);
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>five_seconds_and_five_nanos</span>.<span class='ident'>subsec_nanos</span>(), <span class='number'>5</span>);
<span class='kw'>let</span> <span class='ident'>ten_millis</span> <span class='op'>=</span> <span class='ident'>Duration</span>::<span class='ident'>from_millis</span>(<span class='number'>10</span>);</pre>
</div><h2 id='methods'>Methods</h2><h3 class='impl'><code>impl <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'><h4 id='method.new' class='method'><code>fn <a href='#method.new' class='fnname'>new</a>(secs: <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u64.html'>u64</a>, nanos: <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u32.html'>u32</a>) -&gt; <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h4>
<div class='docblock'><p>Creates a new <code>Duration</code> from the specified number of seconds and
additional nanosecond precision.</p>
<p>If the nanoseconds is greater than 1 billion (the number of nanoseconds
in a second), then it will carry over into the seconds provided.</p>
</div><h4 id='method.from_secs' class='method'><code>fn <a href='#method.from_secs' class='fnname'>from_secs</a>(secs: <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u64.html'>u64</a>) -&gt; <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h4>
<div class='docblock'><p>Creates a new <code>Duration</code> from the specified number of seconds.</p>
</div><h4 id='method.from_millis' class='method'><code>fn <a href='#method.from_millis' class='fnname'>from_millis</a>(millis: <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u64.html'>u64</a>) -&gt; <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h4>
<div class='docblock'><p>Creates a new <code>Duration</code> from the specified number of milliseconds.</p>
</div><h4 id='method.as_secs' class='method'><code>fn <a href='#method.as_secs' class='fnname'>as_secs</a>(&amp;self) -&gt; <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u64.html'>u64</a></code></h4>
<div class='docblock'><p>Returns the number of whole seconds represented by this duration.</p>
<p>The extra precision represented by this duration is ignored (e.g. extra
nanoseconds are not represented in the returned value).</p>
</div><h4 id='method.subsec_nanos' class='method'><code>fn <a href='#method.subsec_nanos' class='fnname'>subsec_nanos</a>(&amp;self) -&gt; <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u32.html'>u32</a></code></h4>
<div class='docblock'><p>Returns the nanosecond precision represented by this duration.</p>
<p>This method does <strong>not</strong> return the length of the duration when
represented by nanoseconds. The returned number always represents a
fractional portion of a second (e.g. it is less than one billion).</p>
</div></div><h2 id='implementations'>Trait Implementations</h2><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/ops/trait.Add.html' title='bitflags::__core::ops::Add'>Add</a>&lt;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>&gt; for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'><h4 id='associatedtype.Output' class='type'><code>type <a href='../../../bitflags/__core/ops/trait.Add.html#associatedtype.Output' class='type'>Output</a> = <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h4>
<h4 id='method.add' class='method'><code>fn <a href='../../../bitflags/__core/ops/trait.Add.html#tymethod.add' class='fnname'>add</a>(self, rhs: <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>) -&gt; <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h4>
</div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/ops/trait.AddAssign.html' title='bitflags::__core::ops::AddAssign'>AddAssign</a>&lt;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>&gt; for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code><span class="since">1.9.0</span></h3><div class='impl-items'><h4 id='method.add_assign' class='method'><code>fn <a href='../../../bitflags/__core/ops/trait.AddAssign.html#tymethod.add_assign' class='fnname'>add_assign</a>(&amp;mut self, rhs: <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>)</code></h4>
</div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/ops/trait.Sub.html' title='bitflags::__core::ops::Sub'>Sub</a>&lt;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>&gt; for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'><h4 id='associatedtype.Output-1' class='type'><code>type <a href='../../../bitflags/__core/ops/trait.Sub.html#associatedtype.Output' class='type'>Output</a> = <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h4>
<h4 id='method.sub' class='method'><code>fn <a href='../../../bitflags/__core/ops/trait.Sub.html#tymethod.sub' class='fnname'>sub</a>(self, rhs: <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>) -&gt; <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h4>
</div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/ops/trait.SubAssign.html' title='bitflags::__core::ops::SubAssign'>SubAssign</a>&lt;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>&gt; for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code><span class="since">1.9.0</span></h3><div class='impl-items'><h4 id='method.sub_assign' class='method'><code>fn <a href='../../../bitflags/__core/ops/trait.SubAssign.html#tymethod.sub_assign' class='fnname'>sub_assign</a>(&amp;mut self, rhs: <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>)</code></h4>
</div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/ops/trait.Mul.html' title='bitflags::__core::ops::Mul'>Mul</a>&lt;<a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u32.html'>u32</a>&gt; for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'><h4 id='associatedtype.Output-2' class='type'><code>type <a href='../../../bitflags/__core/ops/trait.Mul.html#associatedtype.Output' class='type'>Output</a> = <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h4>
<h4 id='method.mul' class='method'><code>fn <a href='../../../bitflags/__core/ops/trait.Mul.html#tymethod.mul' class='fnname'>mul</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u32.html'>u32</a>) -&gt; <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h4>
</div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/ops/trait.MulAssign.html' title='bitflags::__core::ops::MulAssign'>MulAssign</a>&lt;<a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u32.html'>u32</a>&gt; for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code><span class="since">1.9.0</span></h3><div class='impl-items'><h4 id='method.mul_assign' class='method'><code>fn <a href='../../../bitflags/__core/ops/trait.MulAssign.html#tymethod.mul_assign' class='fnname'>mul_assign</a>(&amp;mut self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u32.html'>u32</a>)</code></h4>
</div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/ops/trait.Div.html' title='bitflags::__core::ops::Div'>Div</a>&lt;<a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u32.html'>u32</a>&gt; for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'><h4 id='associatedtype.Output-3' class='type'><code>type <a href='../../../bitflags/__core/ops/trait.Div.html#associatedtype.Output' class='type'>Output</a> = <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h4>
<h4 id='method.div' class='method'><code>fn <a href='../../../bitflags/__core/ops/trait.Div.html#tymethod.div' class='fnname'>div</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u32.html'>u32</a>) -&gt; <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h4>
</div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/ops/trait.DivAssign.html' title='bitflags::__core::ops::DivAssign'>DivAssign</a>&lt;<a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u32.html'>u32</a>&gt; for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code><span class="since">1.9.0</span></h3><div class='impl-items'><h4 id='method.div_assign' class='method'><code>fn <a href='../../../bitflags/__core/ops/trait.DivAssign.html#tymethod.div_assign' class='fnname'>div_assign</a>(&amp;mut self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.u32.html'>u32</a>)</code></h4>
</div><h3 id='derived_implementations'>Derived Implementations </h3><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/hash/trait.Hash.html' title='bitflags::__core::hash::Hash'>Hash</a> for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'><h4 id='method.hash' class='method'><code>fn <a href='../../../bitflags/__core/hash/trait.Hash.html#tymethod.hash' class='fnname'>hash</a>&lt;__H&gt;(&amp;self, __arg_0: &amp;mut __H) <span class='where'>where __H: <a class='trait' href='../../../bitflags/__core/hash/trait.Hasher.html' title='bitflags::__core::hash::Hasher'>Hasher</a></span></code></h4>
<h4 id='method.hash_slice' class='method'><code>fn <a href='../../../bitflags/__core/hash/trait.Hash.html#method.hash_slice' class='fnname'>hash_slice</a>&lt;H&gt;(data: <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.slice.html'>&amp;[Self]</a>, state: &amp;mut H) <span class='where'>where H: <a class='trait' href='../../../bitflags/__core/hash/trait.Hasher.html' title='bitflags::__core::hash::Hasher'>Hasher</a></span></code></h4>
</div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/fmt/trait.Debug.html' title='bitflags::__core::fmt::Debug'>Debug</a> for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'><h4 id='method.fmt' class='method'><code>fn <a href='../../../bitflags/__core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&amp;self, __arg_0: &amp;mut <a class='struct' href='../../../bitflags/__core/fmt/struct.Formatter.html' title='bitflags::__core::fmt::Formatter'>Formatter</a>) -&gt; <a class='enum' href='../../../bitflags/__core/result/enum.Result.html' title='bitflags::__core::result::Result'>Result</a>&lt;<a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.tuple.html'>()</a>, <a class='struct' href='../../../bitflags/__core/fmt/struct.Error.html' title='bitflags::__core::fmt::Error'>Error</a>&gt;</code></h4>
</div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/cmp/trait.Ord.html' title='bitflags::__core::cmp::Ord'>Ord</a> for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'><h4 id='method.cmp' class='method'><code>fn <a href='../../../bitflags/__core/cmp/trait.Ord.html#tymethod.cmp' class='fnname'>cmp</a>(&amp;self, __arg_0: &amp;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>) -&gt; <a class='enum' href='../../../bitflags/__core/cmp/enum.Ordering.html' title='bitflags::__core::cmp::Ordering'>Ordering</a></code></h4>
</div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/cmp/trait.PartialOrd.html' title='bitflags::__core::cmp::PartialOrd'>PartialOrd</a>&lt;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>&gt; for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'><h4 id='method.partial_cmp' class='method'><code>fn <a href='../../../bitflags/__core/cmp/trait.PartialOrd.html#tymethod.partial_cmp' class='fnname'>partial_cmp</a>(&amp;self, __arg_0: &amp;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>) -&gt; <a class='enum' href='../../../bitflags/__core/option/enum.Option.html' title='bitflags::__core::option::Option'>Option</a>&lt;<a class='enum' href='../../../bitflags/__core/cmp/enum.Ordering.html' title='bitflags::__core::cmp::Ordering'>Ordering</a>&gt;</code></h4>
<h4 id='method.lt' class='method'><code>fn <a href='../../../bitflags/__core/cmp/trait.PartialOrd.html#method.lt' class='fnname'>lt</a>(&amp;self, __arg_0: &amp;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>) -&gt; <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.bool.html'>bool</a></code></h4>
<h4 id='method.le' class='method'><code>fn <a href='../../../bitflags/__core/cmp/trait.PartialOrd.html#method.le' class='fnname'>le</a>(&amp;self, __arg_0: &amp;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>) -&gt; <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.bool.html'>bool</a></code></h4>
<h4 id='method.gt' class='method'><code>fn <a href='../../../bitflags/__core/cmp/trait.PartialOrd.html#method.gt' class='fnname'>gt</a>(&amp;self, __arg_0: &amp;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>) -&gt; <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.bool.html'>bool</a></code></h4>
<h4 id='method.ge' class='method'><code>fn <a href='../../../bitflags/__core/cmp/trait.PartialOrd.html#method.ge' class='fnname'>ge</a>(&amp;self, __arg_0: &amp;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>) -&gt; <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.bool.html'>bool</a></code></h4>
</div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/cmp/trait.Eq.html' title='bitflags::__core::cmp::Eq'>Eq</a> for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'></div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/cmp/trait.PartialEq.html' title='bitflags::__core::cmp::PartialEq'>PartialEq</a>&lt;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>&gt; for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'><h4 id='method.eq' class='method'><code>fn <a href='../../../bitflags/__core/cmp/trait.PartialEq.html#tymethod.eq' class='fnname'>eq</a>(&amp;self, __arg_0: &amp;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>) -&gt; <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.bool.html'>bool</a></code></h4>
<h4 id='method.ne' class='method'><code>fn <a href='../../../bitflags/__core/cmp/trait.PartialEq.html#method.ne' class='fnname'>ne</a>(&amp;self, __arg_0: &amp;<a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a>) -&gt; <a class='primitive' href='https://doc.rust-lang.org/nightly/bitflags/primitive.bool.html'>bool</a></code></h4>
</div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/marker/trait.Copy.html' title='bitflags::__core::marker::Copy'>Copy</a> for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'></div><h3 class='impl'><code>impl <a class='trait' href='../../../bitflags/__core/clone/trait.Clone.html' title='bitflags::__core::clone::Clone'>Clone</a> for <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h3><div class='impl-items'><h4 id='method.clone' class='method'><code>fn <a href='../../../bitflags/__core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&amp;self) -&gt; <a class='struct' href='../../../bitflags/__core/time/struct.Duration.html' title='bitflags::__core::time::Duration'>Duration</a></code></h4>
<h4 id='method.clone_from' class='method'><code>fn <a href='../../../bitflags/__core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&amp;mut self, source: &amp;Self)</code><span class="since">1.0.0</span></h4>
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<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>&larrb;</dt>
<dd>Move up in search results</dd>
<dt>&rarrb;</dt>
<dd>Move down in search results</dd>
<dt>&#9166;</dt>
<dd>Go to active search result</dd>
</dl>
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<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>)
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