<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `unit` primitive in crate `std`."><meta name="keywords" content="rust, rustlang, rust-lang, unit"><title>unit - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script><link rel="shortcut icon" href="https://doc.rust-lang.org/favicon.ico"></head><body class="rustdoc primitive"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../std/index.html'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='logo' width='100'></a><p class='location'>Primitive Type unit</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Extend%3C()%3E">Extend<()></a><a href="#impl-PartialEq%3C()%3E">PartialEq<()></a><a href="#impl-FromIterator%3C()%3E">FromIterator<()></a><a href="#impl-Ord">Ord</a><a href="#impl-PartialOrd%3C()%3E">PartialOrd<()></a><a href="#impl-Debug">Debug</a><a href="#impl-Hash">Hash</a><a href="#impl-Eq">Eq</a><a href="#impl-Default">Default</a><a href="#impl-Termination">Termination</a></div></div><p class='location'><a href='index.html'>std</a></p><script>window.sidebarCurrent = {name: 'unit', ty: 'primitive', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Primitive Type <a class="primitive" href=''>unit</a></span><span class='out-of-band'><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span></span></h1><div class='docblock'><p>The <code>()</code> type, sometimes called "unit" or "nil".</p>
<p>The <code>()</code> type has exactly one value <code>()</code>, and is used when there
is no other meaningful value that could be returned. <code>()</code> is most
commonly seen implicitly: functions without a <code>-> ...</code> implicitly
have return type <code>()</code>, that is, these are equivalent:</p>
<pre class="rust rust-example-rendered">
<span class="kw">fn</span> <span class="ident">long</span>() <span class="op">-></span> () {}
<span class="kw">fn</span> <span class="ident">short</span>() {}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Afn%20long()%20-%3E%20()%20%7B%7D%0A%0Afn%20short()%20%7B%7D%0A%7D">Run</a></pre>
<p>The semicolon <code>;</code> can be used to discard the result of an
expression at the end of a block, making the expression (and thus
the block) evaluate to <code>()</code>. For example,</p>
<pre class="rust rust-example-rendered">
<span class="kw">fn</span> <span class="ident">returns_i64</span>() <span class="op">-></span> <span class="ident">i64</span> {
<span class="number">1i64</span>
}
<span class="kw">fn</span> <span class="ident">returns_unit</span>() {
<span class="number">1i64</span>;
}
<span class="kw">let</span> <span class="ident">is_i64</span> <span class="op">=</span> {
<span class="ident">returns_i64</span>()
};
<span class="kw">let</span> <span class="ident">is_unit</span> <span class="op">=</span> {
<span class="ident">returns_i64</span>();
};<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Afn%20returns_i64()%20-%3E%20i64%20%7B%0A%20%20%20%201i64%0A%7D%0Afn%20returns_unit()%20%7B%0A%20%20%20%201i64%3B%0A%7D%0A%0Alet%20is_i64%20%3D%20%7B%0A%20%20%20%20returns_i64()%0A%7D%3B%0Alet%20is_unit%20%3D%20%7B%0A%20%20%20%20returns_i64()%3B%0A%7D%3B%0A%7D">Run</a></pre>
</div>
<h2 id='implementations' class='small-section-header'>
Trait Implementations<a href='#implementations' class='anchor'></a>
</h2>
<div id='implementations-list'><h3 id='impl-Extend%3C()%3E' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../std/iter/trait.Extend.html" title="trait std::iter::Extend">Extend</a><<a class="primitive" href="primitive.unit.html">()</a>> for <a class="primitive" href="primitive.unit.html">()</a></code><a href='#impl-Extend%3C()%3E' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.28.0'>1.28.0</div><a class='srclink' href='../src/core/iter/traits.rs.html#356-360' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.extend' class="method"><span id='extend.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/iter/trait.Extend.html#tymethod.extend' class='fnname'>extend</a><T>(&mut self, iter: T) <span class="where fmt-newline">where<br> T: <a class="trait" href="../std/iter/trait.IntoIterator.html" title="trait std::iter::IntoIterator">IntoIterator</a><Item = <a class="primitive" href="primitive.unit.html">()</a>>, </span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/iter/traits.rs.html#357-359' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Extends a collection with the contents of an iterator. <a href="../std/iter/trait.Extend.html#tymethod.extend">Read more</a></p>
</div></div><h3 id='impl-PartialEq%3C()%3E' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../std/cmp/trait.PartialEq.html" title="trait std::cmp::PartialEq">PartialEq</a><<a class="primitive" href="primitive.unit.html">()</a>> for <a class="primitive" href="primitive.unit.html">()</a></code><a href='#impl-PartialEq%3C()%3E' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/cmp.rs.html#787-792' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.eq' class="method"><span id='eq.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/cmp/trait.PartialEq.html#tymethod.eq' class='fnname'>eq</a>(&self, _other: &<a class="primitive" href="primitive.unit.html">()</a>) -> <a class="primitive" href="primitive.bool.html">bool</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/cmp.rs.html#789' title='goto source code'>[src]</a></td></tr></tbody></table></span></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="../std/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
</div><h4 id='method.ne' class="method"><span id='ne.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/cmp/trait.PartialEq.html#method.ne' class='fnname'>ne</a>(&self, _other: &<a class="primitive" href="primitive.unit.html">()</a>) -> <a class="primitive" href="primitive.bool.html">bool</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/cmp.rs.html#791' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>This method tests for <code>!=</code>.</p>
</div></div><h3 id='impl-FromIterator%3C()%3E' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../std/iter/trait.FromIterator.html" title="trait std::iter::FromIterator">FromIterator</a><<a class="primitive" href="primitive.unit.html">()</a>> for <a class="primitive" href="primitive.unit.html">()</a></code><a href='#impl-FromIterator%3C()%3E' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.23.0'>1.23.0</div><a class='srclink' href='../src/core/unit.rs.html#27-31' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='docblock'><p>Collapses all unit items from an iterator into one.</p>
<p>This is more useful when combined with higher-level abstractions, like
collecting to a <code>Result<(), E></code> where you only care about errors:</p>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>::<span class="kw-2">*</span>;
<span class="kw">let</span> <span class="ident">data</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>];
<span class="kw">let</span> <span class="ident">res</span>: <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> <span class="op">=</span> <span class="ident">data</span>.<span class="ident">iter</span>()
.<span class="ident">map</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="macro">writeln</span><span class="macro">!</span>(<span class="ident">stdout</span>(), <span class="string">"{}"</span>, <span class="ident">x</span>))
.<span class="ident">collect</span>();
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">res</span>.<span class="ident">is_ok</span>());<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Aio%3A%3A*%3B%0Alet%20data%20%3D%20vec!%5B1%2C%202%2C%203%2C%204%2C%205%5D%3B%0Alet%20res%3A%20Result%3C()%3E%20%3D%20data.iter()%0A%20%20%20%20.map(%7Cx%7C%20writeln!(stdout()%2C%20%22%7B%7D%22%2C%20x))%0A%20%20%20%20.collect()%3B%0Aassert!(res.is_ok())%3B%0A%7D">Run</a></pre>
</div><div class='impl-items'><h4 id='method.from_iter' class="method"><span id='from_iter.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/iter/trait.FromIterator.html#tymethod.from_iter' class='fnname'>from_iter</a><I>(iter: I) <span class="where fmt-newline">where<br> I: <a class="trait" href="../std/iter/trait.IntoIterator.html" title="trait std::iter::IntoIterator">IntoIterator</a><Item = <a class="primitive" href="primitive.unit.html">()</a>>, </span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/unit.rs.html#28-30' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Creates a value from an iterator. <a href="../std/iter/trait.FromIterator.html#tymethod.from_iter">Read more</a></p>
</div></div><h3 id='impl-Ord' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../std/cmp/trait.Ord.html" title="trait std::cmp::Ord">Ord</a> for <a class="primitive" href="primitive.unit.html">()</a></code><a href='#impl-Ord' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/cmp.rs.html#881-884' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.cmp' class="method"><span id='cmp.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/cmp/trait.Ord.html#tymethod.cmp' class='fnname'>cmp</a>(&self, _other: &<a class="primitive" href="primitive.unit.html">()</a>) -> <a class="enum" href="../std/cmp/enum.Ordering.html" title="enum std::cmp::Ordering">Ordering</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/cmp.rs.html#883' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>This method returns an <code>Ordering</code> between <code>self</code> and <code>other</code>. <a href="../std/cmp/trait.Ord.html#tymethod.cmp">Read more</a></p>
</div><h4 id='method.max' class="method"><span id='max.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/cmp/trait.Ord.html#method.max' class='fnname'>max</a>(self, other: Self) -> Self</code></span></td><td><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.21.0'>1.21.0</div><a class='srclink' href='../src/core/cmp.rs.html#469-472' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Compares and returns the maximum of two values. <a href="../std/cmp/trait.Ord.html#method.max">Read more</a></p>
</div><h4 id='method.min' class="method"><span id='min.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/cmp/trait.Ord.html#method.min' class='fnname'>min</a>(self, other: Self) -> Self</code></span></td><td><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.21.0'>1.21.0</div><a class='srclink' href='../src/core/cmp.rs.html#485-488' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Compares and returns the minimum of two values. <a href="../std/cmp/trait.Ord.html#method.min">Read more</a></p>
</div></div><h3 id='impl-PartialOrd%3C()%3E' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../std/cmp/trait.PartialOrd.html" title="trait std::cmp::PartialOrd">PartialOrd</a><<a class="primitive" href="primitive.unit.html">()</a>> for <a class="primitive" href="primitive.unit.html">()</a></code><a href='#impl-PartialOrd%3C()%3E' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/cmp.rs.html#833-838' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.partial_cmp' class="method"><span id='partial_cmp.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/cmp/trait.PartialOrd.html#tymethod.partial_cmp' class='fnname'>partial_cmp</a>(&self, &<a class="primitive" href="primitive.unit.html">()</a>) -> <a class="enum" href="../std/option/enum.Option.html" title="enum std::option::Option">Option</a><<a class="enum" href="../std/cmp/enum.Ordering.html" title="enum std::cmp::Ordering">Ordering</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/cmp.rs.html#835-837' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>This method returns an ordering between <code>self</code> and <code>other</code> values if one exists. <a href="../std/cmp/trait.PartialOrd.html#tymethod.partial_cmp">Read more</a></p>
</div><h4 id='method.lt' class="method"><span id='lt.v' class='invisible'><table class='table-display'><tbody><tr><td><code><div class="docblock attributes">#[must_use]
</div>fn <a href='../std/cmp/trait.PartialOrd.html#method.lt' class='fnname'>lt</a>(&self, other: <a class="primitive" href="primitive.reference.html">&</a>Rhs) -> <a class="primitive" href="primitive.bool.html">bool</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/cmp.rs.html#657-662' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>This method tests less than (for <code>self</code> and <code>other</code>) and is used by the <code><</code> operator. <a href="../std/cmp/trait.PartialOrd.html#method.lt">Read more</a></p>
</div><h4 id='method.le' class="method"><span id='le.v' class='invisible'><table class='table-display'><tbody><tr><td><code><div class="docblock attributes">#[must_use]
</div>fn <a href='../std/cmp/trait.PartialOrd.html#method.le' class='fnname'>le</a>(&self, other: <a class="primitive" href="primitive.reference.html">&</a>Rhs) -> <a class="primitive" href="primitive.bool.html">bool</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/cmp.rs.html#679-684' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>This method tests less than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code><=</code> operator. <a href="../std/cmp/trait.PartialOrd.html#method.le">Read more</a></p>
</div><h4 id='method.gt' class="method"><span id='gt.v' class='invisible'><table class='table-display'><tbody><tr><td><code><div class="docblock attributes">#[must_use]
</div>fn <a href='../std/cmp/trait.PartialOrd.html#method.gt' class='fnname'>gt</a>(&self, other: <a class="primitive" href="primitive.reference.html">&</a>Rhs) -> <a class="primitive" href="primitive.bool.html">bool</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/cmp.rs.html#700-705' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>This method tests greater than (for <code>self</code> and <code>other</code>) and is used by the <code>></code> operator. <a href="../std/cmp/trait.PartialOrd.html#method.gt">Read more</a></p>
</div><h4 id='method.ge' class="method"><span id='ge.v' class='invisible'><table class='table-display'><tbody><tr><td><code><div class="docblock attributes">#[must_use]
</div>fn <a href='../std/cmp/trait.PartialOrd.html#method.ge' class='fnname'>ge</a>(&self, other: <a class="primitive" href="primitive.reference.html">&</a>Rhs) -> <a class="primitive" href="primitive.bool.html">bool</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/cmp.rs.html#722-727' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>This method tests greater than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code>>=</code> operator. <a href="../std/cmp/trait.PartialOrd.html#method.ge">Read more</a></p>
</div></div><h3 id='impl-Debug' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../std/fmt/trait.Debug.html" title="trait std::fmt::Debug">Debug</a> for <a class="primitive" href="primitive.unit.html">()</a></code><a href='#impl-Debug' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/fmt/mod.rs.html#2039-2044' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="../std/fmt/struct.Formatter.html" title="struct std::fmt::Formatter">Formatter</a>) -> <a class="enum" href="../std/result/enum.Result.html" title="enum std::result::Result">Result</a><<a class="primitive" href="primitive.unit.html">()</a>, <a class="struct" href="../std/fmt/struct.Error.html" title="struct std::fmt::Error">Error</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/fmt/mod.rs.html#2041-2043' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Formats the value using the given formatter. <a href="../std/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id='impl-Hash' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../std/hash/trait.Hash.html" title="trait std::hash::Hash">Hash</a> for <a class="primitive" href="primitive.unit.html">()</a></code><a href='#impl-Hash' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/hash/mod.rs.html#616-618' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.hash' class="method"><span id='hash.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/hash/trait.Hash.html#tymethod.hash' class='fnname'>hash</a><H>(&self, _state: <a class="primitive" href="primitive.reference.html">&mut </a>H) <span class="where fmt-newline">where<br> H: <a class="trait" href="../std/hash/trait.Hasher.html" title="trait std::hash::Hasher">Hasher</a>, </span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/hash/mod.rs.html#617' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Feeds this value into the given [<code>Hasher</code>]. <a href="../std/hash/trait.Hash.html#tymethod.hash">Read more</a></p>
</div><h4 id='method.hash_slice' class="method"><span id='hash_slice.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/hash/trait.Hash.html#method.hash_slice' class='fnname'>hash_slice</a><H>(data: <a class="primitive" href="primitive.slice.html">&[Self]</a>, state: <a class="primitive" href="primitive.reference.html">&mut </a>H) <span class="where fmt-newline">where<br> H: <a class="trait" href="../std/hash/trait.Hasher.html" title="trait std::hash::Hasher">Hasher</a>, </span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.3.0'>1.3.0</div><a class='srclink' href='../src/core/hash/mod.rs.html#203-209' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Feeds a slice of this type into the given [<code>Hasher</code>]. <a href="../std/hash/trait.Hash.html#method.hash_slice">Read more</a></p>
</div></div><h3 id='impl-Eq' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../std/cmp/trait.Eq.html" title="trait std::cmp::Eq">Eq</a> for <a class="primitive" href="primitive.unit.html">()</a></code><a href='#impl-Eq' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/cmp.rs.html#801' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'></div><h3 id='impl-Default' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../std/default/trait.Default.html" title="trait std::default::Default">Default</a> for <a class="primitive" href="primitive.unit.html">()</a></code><a href='#impl-Default' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/default.rs.html#131-135' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.default' class="method"><span id='default.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/default/trait.Default.html#tymethod.default' class='fnname'>default</a>()</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/core/default.rs.html#134' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns the default value of <code>()</code></p>
</div></div><h3 id='impl-Termination' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../std/process/trait.Termination.html" title="trait std::process::Termination">Termination</a> for <a class="primitive" href="primitive.unit.html">()</a></code><a href='#impl-Termination' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/std/process.rs.html#1463-1466' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.report' class="method"><span id='report.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../std/process/trait.Termination.html#tymethod.report' class='fnname'>report</a>(self) -> <a class="primitive" href="primitive.i32.html">i32</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/std/process.rs.html#1465' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>termination_trait_lib </code><a href="https://github.com/rust-lang/rust/issues/43301">#43301</a>)</div></div><div class='docblock'><p>Is called to get the representation of the value as status code. This status code is returned to the operating system. <a href="../std/process/trait.Termination.html#tymethod.report">Read more</a></p>
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