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<a href='../../iron/index.html'><img src='https://avatars0.githubusercontent.com/u/7853871?s=128' alt='logo' width='100'></a>
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<p class='location'><a href='../index.html'>iron</a>::<wbr><a href='index.html'>headers</a></p><script>window.sidebarCurrent = {name: 'AccessControlMaxAge', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script>
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<section id='main' class="content struct">
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<h1 class='fqn'><span class='in-band'>Struct <a href='../index.html'>iron</a>::<wbr><a href='index.html'>headers</a>::<wbr><a class='struct' href=''>AccessControlMaxAge</a></span><span class='out-of-band'><span id='render-detail'>
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<a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">
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[<span class='inner'>−</span>]
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</a>
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</span><a id='src-1462' class='srclink' href='../../hyper/header/common/access_control_max_age/struct.AccessControlMaxAge.html?gotosrc=1462' title='goto source code'>[src]</a></span></h1>
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<pre class='rust struct'>pub struct AccessControlMaxAge(pub <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>);</pre><div class='docblock'><p><code>Access-Control-Max-Age</code> header, part of
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<a href="http://www.w3.org/TR/cors/#access-control-max-age-response-header">CORS</a></p>
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<p>The <code>Access-Control-Max-Age</code> header indicates how long the results of a
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preflight request can be cached in a preflight result cache.</p>
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<h1 id='abnf' class='section-header'><a href='#abnf'>ABNF</a></h1>
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<pre><code class="language-plain">Access-Control-Max-Age = \"Access-Control-Max-Age\" \":\" delta-seconds
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</code></pre>
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<h1 id='example-values' class='section-header'><a href='#example-values'>Example values</a></h1>
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<ul>
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<li><code>531</code></li>
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</ul>
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<h1 id='examples' class='section-header'><a href='#examples'>Examples</a></h1>
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<pre class='rust rust-example-rendered'>
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<span class='kw'>use</span> <span class='ident'>hyper</span>::<span class='ident'>header</span>::{<span class='ident'>Headers</span>, <span class='ident'>AccessControlMaxAge</span>};
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<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>headers</span> <span class='op'>=</span> <span class='ident'>Headers</span>::<span class='ident'>new</span>();
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<span class='ident'>headers</span>.<span class='ident'>set</span>(<span class='ident'>AccessControlMaxAge</span>(<span class='number'>1728000u32</span>));</pre>
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</div><h2 id='deref-methods'>Methods from <a class='trait' href='https://doc.rust-lang.org/nightly/core/ops/trait.Deref.html' title='core::ops::Deref'>Deref</a><Target=<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>></h2><div class='impl-items'><h4 id='method.count_ones' class='method'><code>fn <a href='#method.count_ones' class='fnname'>count_ones</a>(self) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
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<div class='docblock'><p>Returns the number of ones in the binary representation of <code>self</code>.</p>
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<h1 id='examples-1' class='section-header'><a href='#examples-1'>Examples</a></h1>
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<p>Basic usage:</p>
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<pre class='rust rust-example-rendered'>
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<span class='kw'>let</span> <span class='ident'>n</span> <span class='op'>=</span> <span class='number'>0b01001100u8</span>;
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>n</span>.<span class='ident'>count_ones</span>(), <span class='number'>3</span>);</pre>
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</div><h4 id='method.count_zeros' class='method'><code>fn <a href='#method.count_zeros' class='fnname'>count_zeros</a>(self) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
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<div class='docblock'><p>Returns the number of zeros in the binary representation of <code>self</code>.</p>
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<h1 id='examples-2' class='section-header'><a href='#examples-2'>Examples</a></h1>
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<p>Basic usage:</p>
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<pre class='rust rust-example-rendered'>
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<span class='kw'>let</span> <span class='ident'>n</span> <span class='op'>=</span> <span class='number'>0b01001100u8</span>;
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>n</span>.<span class='ident'>count_zeros</span>(), <span class='number'>5</span>);</pre>
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</div><h4 id='method.leading_zeros' class='method'><code>fn <a href='#method.leading_zeros' class='fnname'>leading_zeros</a>(self) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
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<div class='docblock'><p>Returns the number of leading zeros in the binary representation
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of <code>self</code>.</p>
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<h1 id='examples-3' class='section-header'><a href='#examples-3'>Examples</a></h1>
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<p>Basic usage:</p>
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<pre class='rust rust-example-rendered'>
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<span class='kw'>let</span> <span class='ident'>n</span> <span class='op'>=</span> <span class='number'>0b0101000u16</span>;
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>n</span>.<span class='ident'>leading_zeros</span>(), <span class='number'>10</span>);</pre>
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</div><h4 id='method.trailing_zeros' class='method'><code>fn <a href='#method.trailing_zeros' class='fnname'>trailing_zeros</a>(self) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
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<div class='docblock'><p>Returns the number of trailing zeros in the binary representation
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of <code>self</code>.</p>
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<h1 id='examples-4' class='section-header'><a href='#examples-4'>Examples</a></h1>
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<p>Basic usage:</p>
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<pre class='rust rust-example-rendered'>
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<span class='kw'>let</span> <span class='ident'>n</span> <span class='op'>=</span> <span class='number'>0b0101000u16</span>;
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>n</span>.<span class='ident'>trailing_zeros</span>(), <span class='number'>3</span>);</pre>
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</div><h4 id='method.rotate_left' class='method'><code>fn <a href='#method.rotate_left' class='fnname'>rotate_left</a>(self, n: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
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<div class='docblock'><p>Shifts the bits to the left by a specified amount, <code>n</code>,
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wrapping the truncated bits to the end of the resulting integer.</p>
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<p>Please note this isn't the same operation as <code><<</code>!</p>
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<h1 id='examples-5' class='section-header'><a href='#examples-5'>Examples</a></h1>
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<p>Basic usage:</p>
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<pre class='rust rust-example-rendered'>
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<span class='kw'>let</span> <span class='ident'>n</span> <span class='op'>=</span> <span class='number'>0x0123456789ABCDEFu64</span>;
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<span class='kw'>let</span> <span class='ident'>m</span> <span class='op'>=</span> <span class='number'>0x3456789ABCDEF012u64</span>;
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>n</span>.<span class='ident'>rotate_left</span>(<span class='number'>12</span>), <span class='ident'>m</span>);</pre>
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</div><h4 id='method.rotate_right' class='method'><code>fn <a href='#method.rotate_right' class='fnname'>rotate_right</a>(self, n: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
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<div class='docblock'><p>Shifts the bits to the right by a specified amount, <code>n</code>,
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wrapping the truncated bits to the beginning of the resulting
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integer.</p>
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<p>Please note this isn't the same operation as <code>>></code>!</p>
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<h1 id='examples-6' class='section-header'><a href='#examples-6'>Examples</a></h1>
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<p>Basic usage:</p>
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<pre class='rust rust-example-rendered'>
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<span class='kw'>let</span> <span class='ident'>n</span> <span class='op'>=</span> <span class='number'>0x0123456789ABCDEFu64</span>;
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<span class='kw'>let</span> <span class='ident'>m</span> <span class='op'>=</span> <span class='number'>0xDEF0123456789ABCu64</span>;
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>n</span>.<span class='ident'>rotate_right</span>(<span class='number'>12</span>), <span class='ident'>m</span>);</pre>
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</div><h4 id='method.swap_bytes' class='method'><code>fn <a href='#method.swap_bytes' class='fnname'>swap_bytes</a>(self) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
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<div class='docblock'><p>Reverses the byte order of the integer.</p>
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<h1 id='examples-7' class='section-header'><a href='#examples-7'>Examples</a></h1>
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<p>Basic usage:</p>
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<pre class='rust rust-example-rendered'>
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<span class='kw'>let</span> <span class='ident'>n</span> <span class='op'>=</span> <span class='number'>0x0123456789ABCDEFu64</span>;
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<span class='kw'>let</span> <span class='ident'>m</span> <span class='op'>=</span> <span class='number'>0xEFCDAB8967452301u64</span>;
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>n</span>.<span class='ident'>swap_bytes</span>(), <span class='ident'>m</span>);</pre>
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</div><h4 id='method.to_be' class='method'><code>fn <a href='#method.to_be' class='fnname'>to_be</a>(self) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
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<div class='docblock'><p>Converts <code>self</code> to big endian from the target's endianness.</p>
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<p>On big endian this is a no-op. On little endian the bytes are
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swapped.</p>
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<h1 id='examples-8' class='section-header'><a href='#examples-8'>Examples</a></h1>
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<p>Basic usage:</p>
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<pre class='rust rust-example-rendered'>
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<span class='kw'>let</span> <span class='ident'>n</span> <span class='op'>=</span> <span class='number'>0x0123456789ABCDEFu64</span>;
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<span class='kw'>if</span> <span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>target_endian</span> <span class='op'>=</span> <span class='string'>"big"</span>) {
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>n</span>.<span class='ident'>to_be</span>(), <span class='ident'>n</span>)
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} <span class='kw'>else</span> {
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>n</span>.<span class='ident'>to_be</span>(), <span class='ident'>n</span>.<span class='ident'>swap_bytes</span>())
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}</pre>
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</div><h4 id='method.to_le' class='method'><code>fn <a href='#method.to_le' class='fnname'>to_le</a>(self) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
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<div class='docblock'><p>Converts <code>self</code> to little endian from the target's endianness.</p>
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<p>On little endian this is a no-op. On big endian the bytes are
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swapped.</p>
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<h1 id='examples-9' class='section-header'><a href='#examples-9'>Examples</a></h1>
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<p>Basic usage:</p>
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<pre class='rust rust-example-rendered'>
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<span class='kw'>let</span> <span class='ident'>n</span> <span class='op'>=</span> <span class='number'>0x0123456789ABCDEFu64</span>;
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<span class='kw'>if</span> <span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>target_endian</span> <span class='op'>=</span> <span class='string'>"little"</span>) {
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>n</span>.<span class='ident'>to_le</span>(), <span class='ident'>n</span>)
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} <span class='kw'>else</span> {
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>n</span>.<span class='ident'>to_le</span>(), <span class='ident'>n</span>.<span class='ident'>swap_bytes</span>())
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}</pre>
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</div><h4 id='method.checked_add' class='method'><code>fn <a href='#method.checked_add' class='fnname'>checked_add</a>(self, other: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
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<div class='docblock'><p>Checked integer addition. Computes <code>self + other</code>, returning <code>None</code>
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if overflow occurred.</p>
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<h1 id='examples-10' class='section-header'><a href='#examples-10'>Examples</a></h1>
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<p>Basic usage:</p>
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<pre class='rust rust-example-rendered'>
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>5u16</span>.<span class='ident'>checked_add</span>(<span class='number'>65530</span>), <span class='prelude-val'>Some</span>(<span class='number'>65535</span>));
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>6u16</span>.<span class='ident'>checked_add</span>(<span class='number'>65530</span>), <span class='prelude-val'>None</span>);</pre>
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</div><h4 id='method.checked_sub' class='method'><code>fn <a href='#method.checked_sub' class='fnname'>checked_sub</a>(self, other: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
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<div class='docblock'><p>Checked integer subtraction. Computes <code>self - other</code>, returning
|
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<code>None</code> if underflow occurred.</p>
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<h1 id='examples-11' class='section-header'><a href='#examples-11'>Examples</a></h1>
|
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<p>Basic usage:</p>
|
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|
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<pre class='rust rust-example-rendered'>
|
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>1u8</span>.<span class='ident'>checked_sub</span>(<span class='number'>1</span>), <span class='prelude-val'>Some</span>(<span class='number'>0</span>));
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0u8</span>.<span class='ident'>checked_sub</span>(<span class='number'>1</span>), <span class='prelude-val'>None</span>);</pre>
|
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</div><h4 id='method.checked_mul' class='method'><code>fn <a href='#method.checked_mul' class='fnname'>checked_mul</a>(self, other: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
|
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<div class='docblock'><p>Checked integer multiplication. Computes <code>self * other</code>, returning
|
||
<code>None</code> if underflow or overflow occurred.</p>
|
||
|
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<h1 id='examples-12' class='section-header'><a href='#examples-12'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
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|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>5u8</span>.<span class='ident'>checked_mul</span>(<span class='number'>51</span>), <span class='prelude-val'>Some</span>(<span class='number'>255</span>));
|
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>5u8</span>.<span class='ident'>checked_mul</span>(<span class='number'>52</span>), <span class='prelude-val'>None</span>);</pre>
|
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</div><h4 id='method.checked_div' class='method'><code>fn <a href='#method.checked_div' class='fnname'>checked_div</a>(self, other: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
|
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<div class='docblock'><p>Checked integer division. Computes <code>self / other</code>, returning <code>None</code>
|
||
if <code>other == 0</code> or the operation results in underflow or overflow.</p>
|
||
|
||
<h1 id='examples-13' class='section-header'><a href='#examples-13'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
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<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>128u8</span>.<span class='ident'>checked_div</span>(<span class='number'>2</span>), <span class='prelude-val'>Some</span>(<span class='number'>64</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>1u8</span>.<span class='ident'>checked_div</span>(<span class='number'>0</span>), <span class='prelude-val'>None</span>);</pre>
|
||
</div><h4 id='method.checked_rem' class='method'><code>fn <a href='#method.checked_rem' class='fnname'>checked_rem</a>(self, other: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Checked integer remainder. Computes <code>self % other</code>, returning <code>None</code>
|
||
if <code>other == 0</code> or the operation results in underflow or overflow.</p>
|
||
|
||
<h1 id='examples-14' class='section-header'><a href='#examples-14'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>5u32</span>.<span class='ident'>checked_rem</span>(<span class='number'>2</span>), <span class='prelude-val'>Some</span>(<span class='number'>1</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>5u32</span>.<span class='ident'>checked_rem</span>(<span class='number'>0</span>), <span class='prelude-val'>None</span>);</pre>
|
||
</div><h4 id='method.checked_neg' class='method'><code>fn <a href='#method.checked_neg' class='fnname'>checked_neg</a>(self) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Checked negation. Computes <code>-self</code>, returning <code>None</code> unless <code>self == 0</code>.</p>
|
||
|
||
<p>Note that negating any positive integer will overflow.</p>
|
||
|
||
<h1 id='examples-15' class='section-header'><a href='#examples-15'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0u32</span>.<span class='ident'>checked_neg</span>(), <span class='prelude-val'>Some</span>(<span class='number'>0</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>1u32</span>.<span class='ident'>checked_neg</span>(), <span class='prelude-val'>None</span>);</pre>
|
||
</div><h4 id='method.checked_shl' class='method'><code>fn <a href='#method.checked_shl' class='fnname'>checked_shl</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Checked shift left. Computes <code>self << rhs</code>, returning <code>None</code>
|
||
if <code>rhs</code> is larger than or equal to the number of bits in <code>self</code>.</p>
|
||
|
||
<h1 id='examples-16' class='section-header'><a href='#examples-16'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0x10u32</span>.<span class='ident'>checked_shl</span>(<span class='number'>4</span>), <span class='prelude-val'>Some</span>(<span class='number'>0x100</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0x10u32</span>.<span class='ident'>checked_shl</span>(<span class='number'>33</span>), <span class='prelude-val'>None</span>);</pre>
|
||
</div><h4 id='method.checked_shr' class='method'><code>fn <a href='#method.checked_shr' class='fnname'>checked_shr</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Checked shift right. Computes <code>self >> rhs</code>, returning <code>None</code>
|
||
if <code>rhs</code> is larger than or equal to the number of bits in <code>self</code>.</p>
|
||
|
||
<h1 id='examples-17' class='section-header'><a href='#examples-17'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0x10u32</span>.<span class='ident'>checked_shr</span>(<span class='number'>4</span>), <span class='prelude-val'>Some</span>(<span class='number'>0x1</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0x10u32</span>.<span class='ident'>checked_shr</span>(<span class='number'>33</span>), <span class='prelude-val'>None</span>);</pre>
|
||
</div><h4 id='method.saturating_add' class='method'><code>fn <a href='#method.saturating_add' class='fnname'>saturating_add</a>(self, other: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
|
||
<div class='docblock'><p>Saturating integer addition. Computes <code>self + other</code>, saturating at
|
||
the numeric bounds instead of overflowing.</p>
|
||
|
||
<h1 id='examples-18' class='section-header'><a href='#examples-18'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>100u8</span>.<span class='ident'>saturating_add</span>(<span class='number'>1</span>), <span class='number'>101</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>200u8</span>.<span class='ident'>saturating_add</span>(<span class='number'>127</span>), <span class='number'>255</span>);</pre>
|
||
</div><h4 id='method.saturating_sub' class='method'><code>fn <a href='#method.saturating_sub' class='fnname'>saturating_sub</a>(self, other: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
|
||
<div class='docblock'><p>Saturating integer subtraction. Computes <code>self - other</code>, saturating
|
||
at the numeric bounds instead of overflowing.</p>
|
||
|
||
<h1 id='examples-19' class='section-header'><a href='#examples-19'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>100u8</span>.<span class='ident'>saturating_sub</span>(<span class='number'>27</span>), <span class='number'>73</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>13u8</span>.<span class='ident'>saturating_sub</span>(<span class='number'>127</span>), <span class='number'>0</span>);</pre>
|
||
</div><h4 id='method.saturating_mul' class='method'><code>fn <a href='#method.saturating_mul' class='fnname'>saturating_mul</a>(self, other: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Saturating integer multiplication. Computes <code>self * other</code>,
|
||
saturating at the numeric bounds instead of overflowing.</p>
|
||
|
||
<h1 id='examples-20' class='section-header'><a href='#examples-20'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>u32</span>;
|
||
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>100u32</span>.<span class='ident'>saturating_mul</span>(<span class='number'>127</span>), <span class='number'>12700</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>((<span class='number'>1u32</span> <span class='op'><<</span> <span class='number'>23</span>).<span class='ident'>saturating_mul</span>(<span class='number'>1</span> <span class='op'><<</span> <span class='number'>23</span>), <span class='ident'>u32</span>::<span class='ident'>MAX</span>);</pre>
|
||
</div><h4 id='method.wrapping_add' class='method'><code>fn <a href='#method.wrapping_add' class='fnname'>wrapping_add</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
|
||
<div class='docblock'><p>Wrapping (modular) addition. Computes <code>self + other</code>,
|
||
wrapping around at the boundary of the type.</p>
|
||
|
||
<h1 id='examples-21' class='section-header'><a href='#examples-21'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>200u8</span>.<span class='ident'>wrapping_add</span>(<span class='number'>55</span>), <span class='number'>255</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>200u8</span>.<span class='ident'>wrapping_add</span>(<span class='number'>155</span>), <span class='number'>99</span>);</pre>
|
||
</div><h4 id='method.wrapping_sub' class='method'><code>fn <a href='#method.wrapping_sub' class='fnname'>wrapping_sub</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
|
||
<div class='docblock'><p>Wrapping (modular) subtraction. Computes <code>self - other</code>,
|
||
wrapping around at the boundary of the type.</p>
|
||
|
||
<h1 id='examples-22' class='section-header'><a href='#examples-22'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>100u8</span>.<span class='ident'>wrapping_sub</span>(<span class='number'>100</span>), <span class='number'>0</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>100u8</span>.<span class='ident'>wrapping_sub</span>(<span class='number'>155</span>), <span class='number'>201</span>);</pre>
|
||
</div><h4 id='method.wrapping_mul' class='method'><code>fn <a href='#method.wrapping_mul' class='fnname'>wrapping_mul</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
|
||
<div class='docblock'><p>Wrapping (modular) multiplication. Computes <code>self * other</code>, wrapping around at the boundary of the type.</p>
|
||
|
||
<h1 id='examples-23' class='section-header'><a href='#examples-23'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>10u8</span>.<span class='ident'>wrapping_mul</span>(<span class='number'>12</span>), <span class='number'>120</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>25u8</span>.<span class='ident'>wrapping_mul</span>(<span class='number'>12</span>), <span class='number'>44</span>);</pre>
|
||
</div><h4 id='method.wrapping_div' class='method'><code>fn <a href='#method.wrapping_div' class='fnname'>wrapping_div</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.2.0'>1.2.0</div></h4>
|
||
<div class='docblock'><p>Wrapping (modular) division. Computes <code>self / other</code>.
|
||
Wrapped division on unsigned types is just normal division.
|
||
There's no way wrapping could ever happen.
|
||
This function exists, so that all operations
|
||
are accounted for in the wrapping operations.</p>
|
||
|
||
<h1 id='examples-24' class='section-header'><a href='#examples-24'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>100u8</span>.<span class='ident'>wrapping_div</span>(<span class='number'>10</span>), <span class='number'>10</span>);</pre>
|
||
</div><h4 id='method.wrapping_rem' class='method'><code>fn <a href='#method.wrapping_rem' class='fnname'>wrapping_rem</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.2.0'>1.2.0</div></h4>
|
||
<div class='docblock'><p>Wrapping (modular) remainder. Computes <code>self % other</code>.
|
||
Wrapped remainder calculation on unsigned types is
|
||
just the regular remainder calculation.
|
||
There's no way wrapping could ever happen.
|
||
This function exists, so that all operations
|
||
are accounted for in the wrapping operations.</p>
|
||
|
||
<h1 id='examples-25' class='section-header'><a href='#examples-25'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>100u8</span>.<span class='ident'>wrapping_rem</span>(<span class='number'>10</span>), <span class='number'>0</span>);</pre>
|
||
</div><h4 id='method.wrapping_neg' class='method'><code>fn <a href='#method.wrapping_neg' class='fnname'>wrapping_neg</a>(self) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.2.0'>1.2.0</div></h4>
|
||
<div class='docblock'><p>Wrapping (modular) negation. Computes <code>-self</code>,
|
||
wrapping around at the boundary of the type.</p>
|
||
|
||
<p>Since unsigned types do not have negative equivalents
|
||
all applications of this function will wrap (except for <code>-0</code>).
|
||
For values smaller than the corresponding signed type's maximum
|
||
the result is the same as casting the corresponding signed value.
|
||
Any larger values are equivalent to <code>MAX + 1 - (val - MAX - 1)</code> where
|
||
<code>MAX</code> is the corresponding signed type's maximum.</p>
|
||
|
||
<h1 id='examples-26' class='section-header'><a href='#examples-26'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>100u8</span>.<span class='ident'>wrapping_neg</span>(), <span class='number'>156</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0u8</span>.<span class='ident'>wrapping_neg</span>(), <span class='number'>0</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>180u8</span>.<span class='ident'>wrapping_neg</span>(), <span class='number'>76</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>180u8</span>.<span class='ident'>wrapping_neg</span>(), (<span class='number'>127</span> <span class='op'>+</span> <span class='number'>1</span>) <span class='op'>-</span> (<span class='number'>180u8</span> <span class='op'>-</span> (<span class='number'>127</span> <span class='op'>+</span> <span class='number'>1</span>)));</pre>
|
||
</div><h4 id='method.wrapping_shl' class='method'><code>fn <a href='#method.wrapping_shl' class='fnname'>wrapping_shl</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.2.0'>1.2.0</div></h4>
|
||
<div class='docblock'><p>Panic-free bitwise shift-left; yields <code>self << mask(rhs)</code>,
|
||
where <code>mask</code> removes any high-order bits of <code>rhs</code> that
|
||
would cause the shift to exceed the bitwidth of the type.</p>
|
||
|
||
<p>Note that this is <em>not</em> the same as a rotate-left; the
|
||
RHS of a wrapping shift-left is restricted to the range
|
||
of the type, rather than the bits shifted out of the LHS
|
||
being returned to the other end. The primitive integer
|
||
types all implement a <code>rotate_left</code> function, which may
|
||
be what you want instead.</p>
|
||
|
||
<h1 id='examples-27' class='section-header'><a href='#examples-27'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>1u8</span>.<span class='ident'>wrapping_shl</span>(<span class='number'>7</span>), <span class='number'>128</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>1u8</span>.<span class='ident'>wrapping_shl</span>(<span class='number'>8</span>), <span class='number'>1</span>);</pre>
|
||
</div><h4 id='method.wrapping_shr' class='method'><code>fn <a href='#method.wrapping_shr' class='fnname'>wrapping_shr</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.2.0'>1.2.0</div></h4>
|
||
<div class='docblock'><p>Panic-free bitwise shift-right; yields <code>self >> mask(rhs)</code>,
|
||
where <code>mask</code> removes any high-order bits of <code>rhs</code> that
|
||
would cause the shift to exceed the bitwidth of the type.</p>
|
||
|
||
<p>Note that this is <em>not</em> the same as a rotate-right; the
|
||
RHS of a wrapping shift-right is restricted to the range
|
||
of the type, rather than the bits shifted out of the LHS
|
||
being returned to the other end. The primitive integer
|
||
types all implement a <code>rotate_right</code> function, which may
|
||
be what you want instead.</p>
|
||
|
||
<h1 id='examples-28' class='section-header'><a href='#examples-28'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>128u8</span>.<span class='ident'>wrapping_shr</span>(<span class='number'>7</span>), <span class='number'>1</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>128u8</span>.<span class='ident'>wrapping_shr</span>(<span class='number'>8</span>), <span class='number'>128</span>);</pre>
|
||
</div><h4 id='method.overflowing_add' class='method'><code>fn <a href='#method.overflowing_add' class='fnname'>overflowing_add</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>(</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>)</a></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Calculates <code>self</code> + <code>rhs</code></p>
|
||
|
||
<p>Returns a tuple of the addition along with a boolean indicating
|
||
whether an arithmetic overflow would occur. If an overflow would
|
||
have occurred then the wrapped value is returned.</p>
|
||
|
||
<h1 id='examples-29' class='section-header'><a href='#examples-29'>Examples</a></h1>
|
||
<p>Basic usage</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>u32</span>;
|
||
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>5u32</span>.<span class='ident'>overflowing_add</span>(<span class='number'>2</span>), (<span class='number'>7</span>, <span class='bool-val'>false</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>u32</span>::<span class='ident'>MAX</span>.<span class='ident'>overflowing_add</span>(<span class='number'>1</span>), (<span class='number'>0</span>, <span class='bool-val'>true</span>));</pre>
|
||
</div><h4 id='method.overflowing_sub' class='method'><code>fn <a href='#method.overflowing_sub' class='fnname'>overflowing_sub</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>(</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>)</a></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Calculates <code>self</code> - <code>rhs</code></p>
|
||
|
||
<p>Returns a tuple of the subtraction along with a boolean indicating
|
||
whether an arithmetic overflow would occur. If an overflow would
|
||
have occurred then the wrapped value is returned.</p>
|
||
|
||
<h1 id='examples-30' class='section-header'><a href='#examples-30'>Examples</a></h1>
|
||
<p>Basic usage</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>u32</span>;
|
||
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>5u32</span>.<span class='ident'>overflowing_sub</span>(<span class='number'>2</span>), (<span class='number'>3</span>, <span class='bool-val'>false</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0u32</span>.<span class='ident'>overflowing_sub</span>(<span class='number'>1</span>), (<span class='ident'>u32</span>::<span class='ident'>MAX</span>, <span class='bool-val'>true</span>));</pre>
|
||
</div><h4 id='method.overflowing_mul' class='method'><code>fn <a href='#method.overflowing_mul' class='fnname'>overflowing_mul</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>(</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>)</a></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Calculates the multiplication of <code>self</code> and <code>rhs</code>.</p>
|
||
|
||
<p>Returns a tuple of the multiplication along with a boolean
|
||
indicating whether an arithmetic overflow would occur. If an
|
||
overflow would have occurred then the wrapped value is returned.</p>
|
||
|
||
<h1 id='examples-31' class='section-header'><a href='#examples-31'>Examples</a></h1>
|
||
<p>Basic usage</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>5u32</span>.<span class='ident'>overflowing_mul</span>(<span class='number'>2</span>), (<span class='number'>10</span>, <span class='bool-val'>false</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>1_000_000_000u32</span>.<span class='ident'>overflowing_mul</span>(<span class='number'>10</span>), (<span class='number'>1410065408</span>, <span class='bool-val'>true</span>));</pre>
|
||
</div><h4 id='method.overflowing_div' class='method'><code>fn <a href='#method.overflowing_div' class='fnname'>overflowing_div</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>(</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>)</a></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Calculates the divisor when <code>self</code> is divided by <code>rhs</code>.</p>
|
||
|
||
<p>Returns a tuple of the divisor along with a boolean indicating
|
||
whether an arithmetic overflow would occur. Note that for unsigned
|
||
integers overflow never occurs, so the second value is always
|
||
<code>false</code>.</p>
|
||
|
||
<h1 id='panics' class='section-header'><a href='#panics'>Panics</a></h1>
|
||
<p>This function will panic if <code>rhs</code> is 0.</p>
|
||
|
||
<h1 id='examples-32' class='section-header'><a href='#examples-32'>Examples</a></h1>
|
||
<p>Basic usage</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>5u32</span>.<span class='ident'>overflowing_div</span>(<span class='number'>2</span>), (<span class='number'>2</span>, <span class='bool-val'>false</span>));</pre>
|
||
</div><h4 id='method.overflowing_rem' class='method'><code>fn <a href='#method.overflowing_rem' class='fnname'>overflowing_rem</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>(</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>)</a></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Calculates the remainder when <code>self</code> is divided by <code>rhs</code>.</p>
|
||
|
||
<p>Returns a tuple of the remainder after dividing along with a boolean
|
||
indicating whether an arithmetic overflow would occur. Note that for
|
||
unsigned integers overflow never occurs, so the second value is
|
||
always <code>false</code>.</p>
|
||
|
||
<h1 id='panics-1' class='section-header'><a href='#panics-1'>Panics</a></h1>
|
||
<p>This function will panic if <code>rhs</code> is 0.</p>
|
||
|
||
<h1 id='examples-33' class='section-header'><a href='#examples-33'>Examples</a></h1>
|
||
<p>Basic usage</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>5u32</span>.<span class='ident'>overflowing_rem</span>(<span class='number'>2</span>), (<span class='number'>1</span>, <span class='bool-val'>false</span>));</pre>
|
||
</div><h4 id='method.overflowing_neg' class='method'><code>fn <a href='#method.overflowing_neg' class='fnname'>overflowing_neg</a>(self) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>(</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>)</a></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Negates self in an overflowing fashion.</p>
|
||
|
||
<p>Returns <code>!self + 1</code> using wrapping operations to return the value
|
||
that represents the negation of this unsigned value. Note that for
|
||
positive unsigned values overflow always occurs, but negating 0 does
|
||
not overflow.</p>
|
||
|
||
<h1 id='examples-34' class='section-header'><a href='#examples-34'>Examples</a></h1>
|
||
<p>Basic usage</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0u32</span>.<span class='ident'>overflowing_neg</span>(), (<span class='number'>0</span>, <span class='bool-val'>false</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>2u32</span>.<span class='ident'>overflowing_neg</span>(), (<span class='op'>-</span><span class='number'>2i32</span> <span class='kw'>as</span> <span class='ident'>u32</span>, <span class='bool-val'>true</span>));</pre>
|
||
</div><h4 id='method.overflowing_shl' class='method'><code>fn <a href='#method.overflowing_shl' class='fnname'>overflowing_shl</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>(</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>)</a></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Shifts self left by <code>rhs</code> bits.</p>
|
||
|
||
<p>Returns a tuple of the shifted version of self along with a boolean
|
||
indicating whether the shift value was larger than or equal to the
|
||
number of bits. If the shift value is too large, then value is
|
||
masked (N-1) where N is the number of bits, and this value is then
|
||
used to perform the shift.</p>
|
||
|
||
<h1 id='examples-35' class='section-header'><a href='#examples-35'>Examples</a></h1>
|
||
<p>Basic usage</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0x10u32</span>.<span class='ident'>overflowing_shl</span>(<span class='number'>4</span>), (<span class='number'>0x100</span>, <span class='bool-val'>false</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0x10u32</span>.<span class='ident'>overflowing_shl</span>(<span class='number'>36</span>), (<span class='number'>0x100</span>, <span class='bool-val'>true</span>));</pre>
|
||
</div><h4 id='method.overflowing_shr' class='method'><code>fn <a href='#method.overflowing_shr' class='fnname'>overflowing_shr</a>(self, rhs: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>(</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>)</a></code><div class='since' title='Stable since Rust version 1.7.0'>1.7.0</div></h4>
|
||
<div class='docblock'><p>Shifts self right by <code>rhs</code> bits.</p>
|
||
|
||
<p>Returns a tuple of the shifted version of self along with a boolean
|
||
indicating whether the shift value was larger than or equal to the
|
||
number of bits. If the shift value is too large, then value is
|
||
masked (N-1) where N is the number of bits, and this value is then
|
||
used to perform the shift.</p>
|
||
|
||
<h1 id='examples-36' class='section-header'><a href='#examples-36'>Examples</a></h1>
|
||
<p>Basic usage</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0x10u32</span>.<span class='ident'>overflowing_shr</span>(<span class='number'>4</span>), (<span class='number'>0x1</span>, <span class='bool-val'>false</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>0x10u32</span>.<span class='ident'>overflowing_shr</span>(<span class='number'>36</span>), (<span class='number'>0x1</span>, <span class='bool-val'>true</span>));</pre>
|
||
</div><h4 id='method.pow' class='method'><code>fn <a href='#method.pow' class='fnname'>pow</a>(self, exp: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
|
||
<div class='docblock'><p>Raises self to the power of <code>exp</code>, using exponentiation by squaring.</p>
|
||
|
||
<h1 id='examples-37' class='section-header'><a href='#examples-37'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>2u32</span>.<span class='ident'>pow</span>(<span class='number'>4</span>), <span class='number'>16</span>);</pre>
|
||
</div><h4 id='method.is_power_of_two' class='method'><code>fn <a href='#method.is_power_of_two' class='fnname'>is_power_of_two</a>(self) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
|
||
<div class='docblock'><p>Returns <code>true</code> if and only if <code>self == 2^k</code> for some <code>k</code>.</p>
|
||
|
||
<h1 id='examples-38' class='section-header'><a href='#examples-38'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='number'>16u8</span>.<span class='ident'>is_power_of_two</span>());
|
||
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='number'>10u8</span>.<span class='ident'>is_power_of_two</span>());</pre>
|
||
</div><h4 id='method.next_power_of_two' class='method'><code>fn <a href='#method.next_power_of_two' class='fnname'>next_power_of_two</a>(self) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
|
||
<div class='docblock'><p>Returns the smallest power of two greater than or equal to <code>self</code>.
|
||
Unspecified behavior on overflow.</p>
|
||
|
||
<h1 id='examples-39' class='section-header'><a href='#examples-39'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>2u8</span>.<span class='ident'>next_power_of_two</span>(), <span class='number'>2</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>3u8</span>.<span class='ident'>next_power_of_two</span>(), <span class='number'>4</span>);</pre>
|
||
</div><h4 id='method.checked_next_power_of_two' class='method'><code>fn <a href='#method.checked_next_power_of_two' class='fnname'>checked_next_power_of_two</a>(self) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a>></code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
|
||
<div class='docblock'><p>Returns the smallest power of two greater than or equal to <code>n</code>. If
|
||
the next power of two is greater than the type's maximum value,
|
||
<code>None</code> is returned, otherwise the power of two is wrapped in <code>Some</code>.</p>
|
||
|
||
<h1 id='examples-40' class='section-header'><a href='#examples-40'>Examples</a></h1>
|
||
<p>Basic usage:</p>
|
||
|
||
<pre class='rust rust-example-rendered'>
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>2u8</span>.<span class='ident'>checked_next_power_of_two</span>(), <span class='prelude-val'>Some</span>(<span class='number'>2</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>3u8</span>.<span class='ident'>checked_next_power_of_two</span>(), <span class='prelude-val'>Some</span>(<span class='number'>4</span>));
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='number'>200u8</span>.<span class='ident'>checked_next_power_of_two</span>(), <span class='prelude-val'>None</span>);</pre>
|
||
</div></div><h2 id='implementations'>Trait Implementations</h2><h3 class='impl'><span class='in-band'><code>impl <a class='trait' href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html' title='core::cmp::PartialEq'>PartialEq</a><<a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a>> for <a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a></code></span><span class='out-of-band'></span></h3>
|
||
<div class='impl-items'><h4 id='method.eq' class='method'><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq' class='fnname'>eq</a>(&self, __arg_0: &<a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a></code></h4>
|
||
<div class='docblock'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
|
||
</div><h4 id='method.ne' class='method'><code>fn <a href='https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne' class='fnname'>ne</a>(&self, __arg_0: &<a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a>) -> <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.bool.html'>bool</a></code></h4>
|
||
<div class='docblock'><p>This method tests for <code>!=</code>.</p>
|
||
</div></div><h3 class='impl'><span class='in-band'><code>impl <a class='trait' href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html' title='core::fmt::Debug'>Debug</a> for <a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a></code></span><span class='out-of-band'></span></h3>
|
||
<div class='impl-items'><h4 id='method.fmt' class='method'><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, __arg_0: &mut <a class='struct' href='https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html' title='core::fmt::Formatter'>Formatter</a>) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/result/enum.Result.html' title='core::result::Result'>Result</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>()</a>, <a class='struct' href='https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html' title='core::fmt::Error'>Error</a>></code></h4>
|
||
<div class='docblock'><p>Formats the value using the given formatter.</p>
|
||
</div></div><h3 class='impl'><span class='in-band'><code>impl <a class='trait' href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html' title='core::clone::Clone'>Clone</a> for <a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a></code></span><span class='out-of-band'></span></h3>
|
||
<div class='impl-items'><h4 id='method.clone' class='method'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a></code></h4>
|
||
<div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
|
||
</div><h4 id='method.clone_from' class='method'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: &Self)</code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4>
|
||
<div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
|
||
</div></div><h3 class='impl'><span class='in-band'><code>impl <a class='trait' href='https://doc.rust-lang.org/nightly/core/ops/trait.Deref.html' title='core::ops::Deref'>Deref</a> for <a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a></code></span><span class='out-of-band'></span></h3>
|
||
<div class='impl-items'><h4 id='associatedtype.Target' class='type'><code>type <a href='https://doc.rust-lang.org/nightly/core/ops/trait.Deref.html#associatedtype.Target' class='type'>Target</a> = <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code></h4>
|
||
<div class='docblock'><p>The resulting type after dereferencing</p>
|
||
</div><h4 id='method.deref' class='method'><code>fn <a href='https://doc.rust-lang.org/nightly/core/ops/trait.Deref.html#tymethod.deref' class='fnname'>deref</a>(&self) -> &<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code></h4>
|
||
<div class='docblock'><p>The method called to dereference a value</p>
|
||
</div></div><h3 class='impl'><span class='in-band'><code>impl <a class='trait' href='https://doc.rust-lang.org/nightly/core/ops/trait.DerefMut.html' title='core::ops::DerefMut'>DerefMut</a> for <a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a></code></span><span class='out-of-band'></span></h3>
|
||
<div class='impl-items'><h4 id='method.deref_mut' class='method'><code>fn <a href='https://doc.rust-lang.org/nightly/core/ops/trait.DerefMut.html#tymethod.deref_mut' class='fnname'>deref_mut</a>(&mut self) -> &mut <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u32.html'>u32</a></code></h4>
|
||
</div><h3 class='impl'><span class='in-band'><code>impl <a class='trait' href='../../iron/headers/trait.Header.html' title='iron::headers::Header'>Header</a> for <a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a></code></span><span class='out-of-band'></span></h3>
|
||
<div class='impl-items'><h4 id='method.header_name' class='method'><code>fn <a href='../../iron/headers/trait.Header.html#tymethod.header_name' class='fnname'>header_name</a>() -> &'static <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.str.html'>str</a></code></h4>
|
||
<div class='docblock'><p>Returns the name of the header field this belongs to. <a href="../../iron/headers/trait.Header.html#tymethod.header_name">Read more</a></p>
|
||
</div><h4 id='method.parse_header' class='method'><code>fn <a href='../../iron/headers/trait.Header.html#tymethod.parse_header' class='fnname'>parse_header</a>(raw: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.slice.html'>&[</a><a class='struct' href='https://doc.rust-lang.org/nightly/collections/vec/struct.Vec.html' title='collections::vec::Vec'>Vec</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.u8.html'>u8</a>><a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.slice.html'>]</a>) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/result/enum.Result.html' title='core::result::Result'>Result</a><<a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a>, <a class='enum' href='../../iron/error/enum.HttpError.html' title='iron::error::HttpError'>Error</a>></code></h4>
|
||
<div class='docblock'><p>Parse a header from a raw stream of bytes. <a href="../../iron/headers/trait.Header.html#tymethod.parse_header">Read more</a></p>
|
||
</div></div><h3 class='impl'><span class='in-band'><code>impl <a class='trait' href='../../iron/headers/trait.HeaderFormat.html' title='iron::headers::HeaderFormat'>HeaderFormat</a> for <a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a></code></span><span class='out-of-band'></span></h3>
|
||
<div class='impl-items'><h4 id='method.fmt_header' class='method'><code>fn <a href='../../iron/headers/trait.HeaderFormat.html#tymethod.fmt_header' class='fnname'>fmt_header</a>(&self, f: &mut <a class='struct' href='https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html' title='core::fmt::Formatter'>Formatter</a>) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/result/enum.Result.html' title='core::result::Result'>Result</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>()</a>, <a class='struct' href='https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html' title='core::fmt::Error'>Error</a>></code></h4>
|
||
<div class='docblock'><p>Format a header to be output into a TcpStream. <a href="../../iron/headers/trait.HeaderFormat.html#tymethod.fmt_header">Read more</a></p>
|
||
</div></div><h3 class='impl'><span class='in-band'><code>impl <a class='trait' href='https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html' title='core::fmt::Display'>Display</a> for <a class='struct' href='../../iron/headers/struct.AccessControlMaxAge.html' title='iron::headers::AccessControlMaxAge'>AccessControlMaxAge</a></code></span><span class='out-of-band'></span></h3>
|
||
<div class='impl-items'><h4 id='method.fmt-1' class='method'><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class='struct' href='https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html' title='core::fmt::Formatter'>Formatter</a>) -> <a class='enum' href='https://doc.rust-lang.org/nightly/core/result/enum.Result.html' title='core::result::Result'>Result</a><<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.tuple.html'>()</a>, <a class='struct' href='https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html' title='core::fmt::Error'>Error</a>></code></h4>
|
||
<div class='docblock'><p>Formats the value using the given formatter.</p>
|
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