<!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 `Duration` struct in crate `core`."><meta name="keywords" content="rust, rustlang, rust-lang, Duration"><title>core::time::Duration - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize1.35.0.css"><link rel="stylesheet" type="text/css" href="../../rustdoc1.35.0.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark1.35.0.css"><link rel="stylesheet" type="text/css" href="../../light1.35.0.css" id="themeStyle"><script src="../../storage1.35.0.js"></script><noscript><link rel="stylesheet" href="../../noscript1.35.0.css"></noscript><link rel="shortcut icon" href="../../favicon1.35.0.ico"><style type="text/css">#crate-search{background-image:url("../../down-arrow1.35.0.svg");}</style></head><body class="rustdoc struct"><!--[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='../../core/index.html'><img src='../../rust-logo1.35.0.png' alt='logo' width='100'></a><p class='location'>Struct Duration</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.as_micros">as_micros</a><a href="#method.as_millis">as_millis</a><a href="#method.as_nanos">as_nanos</a><a href="#method.as_secs">as_secs</a><a href="#method.as_secs_f32">as_secs_f32</a><a href="#method.as_secs_f64">as_secs_f64</a><a href="#method.checked_add">checked_add</a><a href="#method.checked_div">checked_div</a><a href="#method.checked_mul">checked_mul</a><a href="#method.checked_sub">checked_sub</a><a href="#method.div_duration_f32">div_duration_f32</a><a href="#method.div_duration_f64">div_duration_f64</a><a href="#method.div_f32">div_f32</a><a href="#method.div_f64">div_f64</a><a href="#method.from_micros">from_micros</a><a href="#method.from_millis">from_millis</a><a href="#method.from_nanos">from_nanos</a><a href="#method.from_secs">from_secs</a><a href="#method.from_secs_f32">from_secs_f32</a><a href="#method.from_secs_f64">from_secs_f64</a><a href="#method.mul_f32">mul_f32</a><a href="#method.mul_f64">mul_f64</a><a href="#method.new">new</a><a href="#method.subsec_micros">subsec_micros</a><a href="#method.subsec_millis">subsec_millis</a><a href="#method.subsec_nanos">subsec_nanos</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Add%3CDuration%3E">Add<Duration></a><a href="#impl-AddAssign%3CDuration%3E">AddAssign<Duration></a><a href="#impl-Clone">Clone</a><a href="#impl-Copy">Copy</a><a href="#impl-Debug">Debug</a><a href="#impl-Default">Default</a><a href="#impl-Div%3Cu32%3E">Div<u32></a><a href="#impl-DivAssign%3Cu32%3E">DivAssign<u32></a><a href="#impl-Eq">Eq</a><a href="#impl-Hash">Hash</a><a href="#impl-Mul%3CDuration%3E">Mul<Duration></a><a href="#impl-Mul%3Cu32%3E">Mul<u32></a><a href="#impl-MulAssign%3Cu32%3E">MulAssign<u32></a><a href="#impl-Ord">Ord</a><a href="#impl-PartialEq%3CDuration%3E">PartialEq<Duration></a><a href="#impl-PartialOrd%3CDuration%3E">PartialOrd<Duration></a><a href="#impl-Sub%3CDuration%3E">Sub<Duration></a><a href="#impl-SubAssign%3CDuration%3E">SubAssign<Duration></a><a href="#impl-Sum%3C%26%27a%20Duration%3E">Sum<&'a Duration></a><a href="#impl-Sum%3CDuration%3E">Sum<Duration></a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow">Borrow</a><a href="#impl-BorrowMut">BorrowMut</a><a href="#impl-From">From</a><a href="#impl-Into">Into</a><a href="#impl-TryFrom">TryFrom</a><a href="#impl-TryInto">TryInto</a></div></div><p class='location'><a href='../index.html'>core</a>::<wbr><a href='index.html'>time</a></p><script>window.sidebarCurrent = {name: 'Duration', ty: 'struct', 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="../../brush1.35.0.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme1.35.0.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../../settings.html"><img src="../../wheel1.35.0.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span class='since' title='Stable since Rust version 1.3.0'>1.3.0</span><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../src/core/time.rs.html#55-58' title='goto source code'>[src]</a></span><span class='in-band'>Struct <a href='../index.html'>core</a>::<wbr><a href='index.html'>time</a>::<wbr><a class="struct" href=''>Duration</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust struct'>pub struct Duration { /* fields omitted */ }</pre></div><div class='docblock'><p>A <code>Duration</code> type to represent a span of time, typically used for system
timeouts.</p>
<p>Each <code>Duration</code> is composed of a whole number of seconds and a fractional part
represented in nanoseconds. If the underlying system does not support
nanosecond-level precision, APIs binding a system timeout will typically round up
the number of nanoseconds.</p>
<p><code>Duration</code>s implement many common traits, including <a href="../../std/ops/trait.Add.html"><code>Add</code></a>, <a href="../../std/ops/trait.Sub.html"><code>Sub</code></a>, and other
<a href="../../std/ops/index.html"><code>ops</code></a> traits.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">five_seconds</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">5</span>, <span class="number">0</span>);
<span class="kw">let</span> <span class="ident">five_seconds_and_five_nanos</span> <span class="op">=</span> <span class="ident">five_seconds</span> <span class="op">+</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">5</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">five_seconds_and_five_nanos</span>.<span class="ident">as_secs</span>(), <span class="number">5</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">five_seconds_and_five_nanos</span>.<span class="ident">subsec_nanos</span>(), <span class="number">5</span>);
<span class="kw">let</span> <span class="ident">ten_millis</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">from_millis</span>(<span class="number">10</span>);<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Alet%20five_seconds%20%3D%20Duration%3A%3Anew(5%2C%200)%3B%0Alet%20five_seconds_and_five_nanos%20%3D%20five_seconds%20%2B%20Duration%3A%3Anew(0%2C%205)%3B%0A%0Aassert_eq!(five_seconds_and_five_nanos.as_secs()%2C%205)%3B%0Aassert_eq!(five_seconds_and_five_nanos.subsec_nanos()%2C%205)%3B%0A%0Alet%20ten_millis%20%3D%20Duration%3A%3Afrom_millis(10)%3B%0A%7D">Run</a></pre></div>
</div><h2 id='methods' class='small-section-header'>Methods<a href='#methods' class='anchor'></a></h2><h3 id='impl' class='impl'><code class='in-band'>impl <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#60-729' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedconstant.SECOND' class="associatedconstant"><code id='SECOND.v'>pub const <a href='#associatedconstant.SECOND' class="constant"><b>SECOND</b></a>: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#72' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_constants</code> <a href="https://github.com/rust-lang/rust/issues/57391">#57391</a>)</div></div><div class='docblock'><p>The duration of one second.</p>
<h1 id="examples-1" class="section-header"><a href="#examples-1">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_constants</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">SECOND</span>, <span class="ident">Duration</span>::<span class="ident">from_secs</span>(<span class="number">1</span>));<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_constants)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Aassert_eq!(Duration%3A%3ASECOND%2C%20Duration%3A%3Afrom_secs(1))%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='associatedconstant.MILLISECOND' class="associatedconstant"><code id='MILLISECOND.v'>pub const <a href='#associatedconstant.MILLISECOND' class="constant"><b>MILLISECOND</b></a>: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#85' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_constants</code> <a href="https://github.com/rust-lang/rust/issues/57391">#57391</a>)</div></div><div class='docblock'><p>The duration of one millisecond.</p>
<h1 id="examples-2" class="section-header"><a href="#examples-2">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_constants</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">MILLISECOND</span>, <span class="ident">Duration</span>::<span class="ident">from_millis</span>(<span class="number">1</span>));<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_constants)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Aassert_eq!(Duration%3A%3AMILLISECOND%2C%20Duration%3A%3Afrom_millis(1))%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='associatedconstant.MICROSECOND' class="associatedconstant"><code id='MICROSECOND.v'>pub const <a href='#associatedconstant.MICROSECOND' class="constant"><b>MICROSECOND</b></a>: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#98' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_constants</code> <a href="https://github.com/rust-lang/rust/issues/57391">#57391</a>)</div></div><div class='docblock'><p>The duration of one microsecond.</p>
<h1 id="examples-3" class="section-header"><a href="#examples-3">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_constants</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">MICROSECOND</span>, <span class="ident">Duration</span>::<span class="ident">from_micros</span>(<span class="number">1</span>));<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_constants)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Aassert_eq!(Duration%3A%3AMICROSECOND%2C%20Duration%3A%3Afrom_micros(1))%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='associatedconstant.NANOSECOND' class="associatedconstant"><code id='NANOSECOND.v'>pub const <a href='#associatedconstant.NANOSECOND' class="constant"><b>NANOSECOND</b></a>: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#111' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_constants</code> <a href="https://github.com/rust-lang/rust/issues/57391">#57391</a>)</div></div><div class='docblock'><p>The duration of one nanosecond.</p>
<h1 id="examples-4" class="section-header"><a href="#examples-4">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_constants</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">NANOSECOND</span>, <span class="ident">Duration</span>::<span class="ident">from_nanos</span>(<span class="number">1</span>));<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_constants)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Aassert_eq!(Duration%3A%3ANANOSECOND%2C%20Duration%3A%3Afrom_nanos(1))%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='method.new' class="method"><code id='new.v'>pub fn <a href='#method.new' class='fnname'>new</a>(secs: u64, nanos: u32) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#133-138' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates a new <code>Duration</code> from the specified number of whole seconds and
additional nanoseconds.</p>
<p>If the number of nanoseconds is greater than 1 billion (the number of
nanoseconds in a second), then it will carry over into the seconds provided.</p>
<h1 id="panics" class="section-header"><a href="#panics">Panics</a></h1>
<p>This constructor will panic if the carry from the nanoseconds overflows
the seconds counter.</p>
<h1 id="examples-5" class="section-header"><a href="#examples-5">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">five_seconds</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">5</span>, <span class="number">0</span>);<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Alet%20five_seconds%20%3D%20Duration%3A%3Anew(5%2C%200)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.from_secs' class="method"><code id='from_secs.v'>pub const fn <a href='#method.from_secs' class='fnname'>from_secs</a>(secs: u64) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#155-157' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates a new <code>Duration</code> from the specified number of whole seconds.</p>
<h1 id="examples-6" class="section-header"><a href="#examples-6">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">duration</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">from_secs</span>(<span class="number">5</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">5</span>, <span class="ident">duration</span>.<span class="ident">as_secs</span>());
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">0</span>, <span class="ident">duration</span>.<span class="ident">subsec_nanos</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%3Atime%3A%3ADuration%3B%0A%0Alet%20duration%20%3D%20Duration%3A%3Afrom_secs(5)%3B%0A%0Aassert_eq!(5%2C%20duration.as_secs())%3B%0Aassert_eq!(0%2C%20duration.subsec_nanos())%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.from_millis' class="method"><code id='from_millis.v'>pub const fn <a href='#method.from_millis' class='fnname'>from_millis</a>(millis: u64) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#174-179' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates a new <code>Duration</code> from the specified number of milliseconds.</p>
<h1 id="examples-7" class="section-header"><a href="#examples-7">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">duration</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">from_millis</span>(<span class="number">2569</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">2</span>, <span class="ident">duration</span>.<span class="ident">as_secs</span>());
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">569_000_000</span>, <span class="ident">duration</span>.<span class="ident">subsec_nanos</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%3Atime%3A%3ADuration%3B%0A%0Alet%20duration%20%3D%20Duration%3A%3Afrom_millis(2569)%3B%0A%0Aassert_eq!(2%2C%20duration.as_secs())%3B%0Aassert_eq!(569_000_000%2C%20duration.subsec_nanos())%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.from_micros' class="method"><code id='from_micros.v'>pub const fn <a href='#method.from_micros' class='fnname'>from_micros</a>(micros: u64) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><div class='since' title='Stable since Rust version 1.27.0'>1.27.0</div><a class='srclink' href='../../src/core/time.rs.html#196-201' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates a new <code>Duration</code> from the specified number of microseconds.</p>
<h1 id="examples-8" class="section-header"><a href="#examples-8">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">duration</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">from_micros</span>(<span class="number">1_000_002</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">1</span>, <span class="ident">duration</span>.<span class="ident">as_secs</span>());
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">2000</span>, <span class="ident">duration</span>.<span class="ident">subsec_nanos</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%3Atime%3A%3ADuration%3B%0A%0Alet%20duration%20%3D%20Duration%3A%3Afrom_micros(1_000_002)%3B%0A%0Aassert_eq!(1%2C%20duration.as_secs())%3B%0Aassert_eq!(2000%2C%20duration.subsec_nanos())%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.from_nanos' class="method"><code id='from_nanos.v'>pub const fn <a href='#method.from_nanos' class='fnname'>from_nanos</a>(nanos: u64) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><div class='since' title='Stable since Rust version 1.27.0'>1.27.0</div><a class='srclink' href='../../src/core/time.rs.html#218-223' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates a new <code>Duration</code> from the specified number of nanoseconds.</p>
<h1 id="examples-9" class="section-header"><a href="#examples-9">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">duration</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">from_nanos</span>(<span class="number">1_000_000_123</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">1</span>, <span class="ident">duration</span>.<span class="ident">as_secs</span>());
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">123</span>, <span class="ident">duration</span>.<span class="ident">subsec_nanos</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%3Atime%3A%3ADuration%3B%0A%0Alet%20duration%20%3D%20Duration%3A%3Afrom_nanos(1_000_000_123)%3B%0A%0Aassert_eq!(1%2C%20duration.as_secs())%3B%0Aassert_eq!(123%2C%20duration.subsec_nanos())%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.as_secs' class="method"><code id='as_secs.v'>pub const fn <a href='#method.as_secs' class='fnname'>as_secs</a>(&self) -> u64</code><a class='srclink' href='../../src/core/time.rs.html#255' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the number of <em>whole</em> seconds contained by this <code>Duration</code>.</p>
<p>The returned value does not include the fractional (nanosecond) part of the
duration, which can be obtained using <a href="#method.subsec_nanos"><code>subsec_nanos</code></a>.</p>
<h1 id="examples-10" class="section-header"><a href="#examples-10">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">duration</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">5</span>, <span class="number">730023852</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">duration</span>.<span class="ident">as_secs</span>(), <span class="number">5</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%3Atime%3A%3ADuration%3B%0A%0Alet%20duration%20%3D%20Duration%3A%3Anew(5%2C%20730023852)%3B%0Aassert_eq!(duration.as_secs()%2C%205)%3B%0A%7D">Run</a></pre></div>
<p>To determine the total number of seconds represented by the <code>Duration</code>,
use <code>as_secs</code> in combination with <a href="#method.subsec_nanos"><code>subsec_nanos</code></a>:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">duration</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">5</span>, <span class="number">730023852</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">5.730023852</span>,
<span class="ident">duration</span>.<span class="ident">as_secs</span>() <span class="kw">as</span> <span class="ident">f64</span>
<span class="op">+</span> <span class="ident">duration</span>.<span class="ident">subsec_nanos</span>() <span class="kw">as</span> <span class="ident">f64</span> <span class="op">*</span> <span class="number">1e-9</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%3Atime%3A%3ADuration%3B%0A%0Alet%20duration%20%3D%20Duration%3A%3Anew(5%2C%20730023852)%3B%0A%0Aassert_eq!(5.730023852%2C%0A%20%20%20%20%20%20%20%20%20%20%20duration.as_secs()%20as%20f64%0A%20%20%20%20%20%20%20%20%20%20%20%2B%20duration.subsec_nanos()%20as%20f64%20*%201e-9)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.subsec_millis' class="method"><code id='subsec_millis.v'>pub const fn <a href='#method.subsec_millis' class='fnname'>subsec_millis</a>(&self) -> u32</code><div class='since' title='Stable since Rust version 1.27.0'>1.27.0</div><a class='srclink' href='../../src/core/time.rs.html#274' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the fractional part of this <code>Duration</code>, in whole milliseconds.</p>
<p>This method does <strong>not</strong> return the length of the duration when
represented by milliseconds. The returned number always represents a
fractional portion of a second (i.e., it is less than one thousand).</p>
<h1 id="examples-11" class="section-header"><a href="#examples-11">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">duration</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">from_millis</span>(<span class="number">5432</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">duration</span>.<span class="ident">as_secs</span>(), <span class="number">5</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">duration</span>.<span class="ident">subsec_millis</span>(), <span class="number">432</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%3Atime%3A%3ADuration%3B%0A%0Alet%20duration%20%3D%20Duration%3A%3Afrom_millis(5432)%3B%0Aassert_eq!(duration.as_secs()%2C%205)%3B%0Aassert_eq!(duration.subsec_millis()%2C%20432)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.subsec_micros' class="method"><code id='subsec_micros.v'>pub const fn <a href='#method.subsec_micros' class='fnname'>subsec_micros</a>(&self) -> u32</code><div class='since' title='Stable since Rust version 1.27.0'>1.27.0</div><a class='srclink' href='../../src/core/time.rs.html#293' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the fractional part of this <code>Duration</code>, in whole microseconds.</p>
<p>This method does <strong>not</strong> return the length of the duration when
represented by microseconds. The returned number always represents a
fractional portion of a second (i.e., it is less than one million).</p>
<h1 id="examples-12" class="section-header"><a href="#examples-12">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">duration</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">from_micros</span>(<span class="number">1_234_567</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">duration</span>.<span class="ident">as_secs</span>(), <span class="number">1</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">duration</span>.<span class="ident">subsec_micros</span>(), <span class="number">234_567</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%3Atime%3A%3ADuration%3B%0A%0Alet%20duration%20%3D%20Duration%3A%3Afrom_micros(1_234_567)%3B%0Aassert_eq!(duration.as_secs()%2C%201)%3B%0Aassert_eq!(duration.subsec_micros()%2C%20234_567)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.subsec_nanos' class="method"><code id='subsec_nanos.v'>pub const fn <a href='#method.subsec_nanos' class='fnname'>subsec_nanos</a>(&self) -> u32</code><a class='srclink' href='../../src/core/time.rs.html#312' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the fractional part of this <code>Duration</code>, in nanoseconds.</p>
<p>This method does <strong>not</strong> return the length of the duration when
represented by nanoseconds. The returned number always represents a
fractional portion of a second (i.e., it is less than one billion).</p>
<h1 id="examples-13" class="section-header"><a href="#examples-13">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">duration</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">from_millis</span>(<span class="number">5010</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">duration</span>.<span class="ident">as_secs</span>(), <span class="number">5</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">duration</span>.<span class="ident">subsec_nanos</span>(), <span class="number">10_000_000</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%3Atime%3A%3ADuration%3B%0A%0Alet%20duration%20%3D%20Duration%3A%3Afrom_millis(5010)%3B%0Aassert_eq!(duration.as_secs()%2C%205)%3B%0Aassert_eq!(duration.subsec_nanos()%2C%2010_000_000)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.as_millis' class="method"><code id='as_millis.v'>pub const fn <a href='#method.as_millis' class='fnname'>as_millis</a>(&self) -> u128</code><div class='since' title='Stable since Rust version 1.33.0'>1.33.0</div><a class='srclink' href='../../src/core/time.rs.html#326-328' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the total number of whole milliseconds contained by this <code>Duration</code>.</p>
<h1 id="examples-14" class="section-header"><a href="#examples-14">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">duration</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">5</span>, <span class="number">730023852</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">duration</span>.<span class="ident">as_millis</span>(), <span class="number">5730</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%3Atime%3A%3ADuration%3B%0A%0Alet%20duration%20%3D%20Duration%3A%3Anew(5%2C%20730023852)%3B%0Aassert_eq!(duration.as_millis()%2C%205730)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.as_micros' class="method"><code id='as_micros.v'>pub const fn <a href='#method.as_micros' class='fnname'>as_micros</a>(&self) -> u128</code><div class='since' title='Stable since Rust version 1.33.0'>1.33.0</div><a class='srclink' href='../../src/core/time.rs.html#342-344' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the total number of whole microseconds contained by this <code>Duration</code>.</p>
<h1 id="examples-15" class="section-header"><a href="#examples-15">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">duration</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">5</span>, <span class="number">730023852</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">duration</span>.<span class="ident">as_micros</span>(), <span class="number">5730023</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%3Atime%3A%3ADuration%3B%0A%0Alet%20duration%20%3D%20Duration%3A%3Anew(5%2C%20730023852)%3B%0Aassert_eq!(duration.as_micros()%2C%205730023)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.as_nanos' class="method"><code id='as_nanos.v'>pub const fn <a href='#method.as_nanos' class='fnname'>as_nanos</a>(&self) -> u128</code><div class='since' title='Stable since Rust version 1.33.0'>1.33.0</div><a class='srclink' href='../../src/core/time.rs.html#358-360' title='goto source code'>[src]</a></h4><div class='docblock'><p>Returns the total number of nanoseconds contained by this <code>Duration</code>.</p>
<h1 id="examples-16" class="section-header"><a href="#examples-16">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">duration</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">5</span>, <span class="number">730023852</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">duration</span>.<span class="ident">as_nanos</span>(), <span class="number">5730023852</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%3Atime%3A%3ADuration%3B%0A%0Alet%20duration%20%3D%20Duration%3A%3Anew(5%2C%20730023852)%3B%0Aassert_eq!(duration.as_nanos()%2C%205730023852)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.checked_add' class="method"><code id='checked_add.v'>pub fn <a href='#method.checked_add' class='fnname'>checked_add</a>(self, rhs: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> <a class="enum" href="../../core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>></code><div class='since' title='Stable since Rust version 1.16.0'>1.16.0</div><a class='srclink' href='../../src/core/time.rs.html#379-398' title='goto source code'>[src]</a></h4><div class='docblock'><p>Checked <code>Duration</code> addition. Computes <code>self + other</code>, returning <a href="../../std/option/enum.Option.html#variant.None"><code>None</code></a>
if overflow occurred.</p>
<h1 id="examples-17" class="section-header"><a href="#examples-17">Examples</a></h1>
<p>Basic usage:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">0</span>).<span class="ident">checked_add</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">1</span>)), <span class="prelude-val">Some</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">1</span>)));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">1</span>, <span class="number">0</span>).<span class="ident">checked_add</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="ident">std</span>::<span class="ident">u64</span>::<span class="ident">MAX</span>, <span class="number">0</span>)), <span class="prelude-val">None</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%3Atime%3A%3ADuration%3B%0A%0Aassert_eq!(Duration%3A%3Anew(0%2C%200).checked_add(Duration%3A%3Anew(0%2C%201))%2C%20Some(Duration%3A%3Anew(0%2C%201)))%3B%0Aassert_eq!(Duration%3A%3Anew(1%2C%200).checked_add(Duration%3A%3Anew(std%3A%3Au64%3A%3AMAX%2C%200))%2C%20None)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.checked_sub' class="method"><code id='checked_sub.v'>pub fn <a href='#method.checked_sub' class='fnname'>checked_sub</a>(self, rhs: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> <a class="enum" href="../../core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>></code><div class='since' title='Stable since Rust version 1.16.0'>1.16.0</div><a class='srclink' href='../../src/core/time.rs.html#417-434' title='goto source code'>[src]</a></h4><div class='docblock'><p>Checked <code>Duration</code> subtraction. Computes <code>self - other</code>, returning <a href="../../std/option/enum.Option.html#variant.None"><code>None</code></a>
if the result would be negative or if overflow occurred.</p>
<h1 id="examples-18" class="section-header"><a href="#examples-18">Examples</a></h1>
<p>Basic usage:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">1</span>).<span class="ident">checked_sub</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">0</span>)), <span class="prelude-val">Some</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">1</span>)));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">0</span>).<span class="ident">checked_sub</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">1</span>)), <span class="prelude-val">None</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%3Atime%3A%3ADuration%3B%0A%0Aassert_eq!(Duration%3A%3Anew(0%2C%201).checked_sub(Duration%3A%3Anew(0%2C%200))%2C%20Some(Duration%3A%3Anew(0%2C%201)))%3B%0Aassert_eq!(Duration%3A%3Anew(0%2C%200).checked_sub(Duration%3A%3Anew(0%2C%201))%2C%20None)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.checked_mul' class="method"><code id='checked_mul.v'>pub fn <a href='#method.checked_mul' class='fnname'>checked_mul</a>(self, rhs: u32) -> <a class="enum" href="../../core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>></code><div class='since' title='Stable since Rust version 1.16.0'>1.16.0</div><a class='srclink' href='../../src/core/time.rs.html#453-469' title='goto source code'>[src]</a></h4><div class='docblock'><p>Checked <code>Duration</code> multiplication. Computes <code>self * other</code>, returning
<a href="../../std/option/enum.Option.html#variant.None"><code>None</code></a> if overflow occurred.</p>
<h1 id="examples-19" class="section-header"><a href="#examples-19">Examples</a></h1>
<p>Basic usage:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">500_000_001</span>).<span class="ident">checked_mul</span>(<span class="number">2</span>), <span class="prelude-val">Some</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">1</span>, <span class="number">2</span>)));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="ident">std</span>::<span class="ident">u64</span>::<span class="ident">MAX</span> <span class="op">-</span> <span class="number">1</span>, <span class="number">0</span>).<span class="ident">checked_mul</span>(<span class="number">2</span>), <span class="prelude-val">None</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%3Atime%3A%3ADuration%3B%0A%0Aassert_eq!(Duration%3A%3Anew(0%2C%20500_000_001).checked_mul(2)%2C%20Some(Duration%3A%3Anew(1%2C%202)))%3B%0Aassert_eq!(Duration%3A%3Anew(std%3A%3Au64%3A%3AMAX%20-%201%2C%200).checked_mul(2)%2C%20None)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.checked_div' class="method"><code id='checked_div.v'>pub fn <a href='#method.checked_div' class='fnname'>checked_div</a>(self, rhs: u32) -> <a class="enum" href="../../core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>></code><div class='since' title='Stable since Rust version 1.16.0'>1.16.0</div><a class='srclink' href='../../src/core/time.rs.html#489-500' title='goto source code'>[src]</a></h4><div class='docblock'><p>Checked <code>Duration</code> division. Computes <code>self / other</code>, returning <a href="../../std/option/enum.Option.html#variant.None"><code>None</code></a>
if <code>other == 0</code>.</p>
<h1 id="examples-20" class="section-header"><a href="#examples-20">Examples</a></h1>
<p>Basic usage:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">2</span>, <span class="number">0</span>).<span class="ident">checked_div</span>(<span class="number">2</span>), <span class="prelude-val">Some</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">1</span>, <span class="number">0</span>)));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">1</span>, <span class="number">0</span>).<span class="ident">checked_div</span>(<span class="number">2</span>), <span class="prelude-val">Some</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">500_000_000</span>)));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">2</span>, <span class="number">0</span>).<span class="ident">checked_div</span>(<span class="number">0</span>), <span class="prelude-val">None</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%3Atime%3A%3ADuration%3B%0A%0Aassert_eq!(Duration%3A%3Anew(2%2C%200).checked_div(2)%2C%20Some(Duration%3A%3Anew(1%2C%200)))%3B%0Aassert_eq!(Duration%3A%3Anew(1%2C%200).checked_div(2)%2C%20Some(Duration%3A%3Anew(0%2C%20500_000_000)))%3B%0Aassert_eq!(Duration%3A%3Anew(2%2C%200).checked_div(0)%2C%20None)%3B%0A%7D">Run</a></pre></div>
</div><h4 id='method.as_secs_f64' class="method"><code id='as_secs_f64.v'>pub const fn <a href='#method.as_secs_f64' class='fnname'>as_secs_f64</a>(&self) -> f64</code><a class='srclink' href='../../src/core/time.rs.html#516-518' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_float</code> <a href="https://github.com/rust-lang/rust/issues/54361">#54361</a>)</div></div><div class='docblock'><p>Returns the number of seconds contained by this <code>Duration</code> as <code>f64</code>.</p>
<p>The returned value does include the fractional (nanosecond) part of the duration.</p>
<h1 id="examples-21" class="section-header"><a href="#examples-21">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_float</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">dur</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">2</span>, <span class="number">700_000_000</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur</span>.<span class="ident">as_secs_f64</span>(), <span class="number">2.7</span>);<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_float)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Alet%20dur%20%3D%20Duration%3A%3Anew(2%2C%20700_000_000)%3B%0Aassert_eq!(dur.as_secs_f64()%2C%202.7)%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='method.as_secs_f32' class="method"><code id='as_secs_f32.v'>pub const fn <a href='#method.as_secs_f32' class='fnname'>as_secs_f32</a>(&self) -> f32</code><a class='srclink' href='../../src/core/time.rs.html#534-536' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_float</code> <a href="https://github.com/rust-lang/rust/issues/54361">#54361</a>)</div></div><div class='docblock'><p>Returns the number of seconds contained by this <code>Duration</code> as <code>f32</code>.</p>
<p>The returned value does include the fractional (nanosecond) part of the duration.</p>
<h1 id="examples-22" class="section-header"><a href="#examples-22">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_float</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">dur</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">2</span>, <span class="number">700_000_000</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur</span>.<span class="ident">as_secs_f32</span>(), <span class="number">2.7</span>);<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_float)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Alet%20dur%20%3D%20Duration%3A%3Anew(2%2C%20700_000_000)%3B%0Aassert_eq!(dur.as_secs_f32()%2C%202.7)%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='method.from_secs_f64' class="method"><code id='from_secs_f64.v'>pub fn <a href='#method.from_secs_f64' class='fnname'>from_secs_f64</a>(secs: f64) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#554-572' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_float</code> <a href="https://github.com/rust-lang/rust/issues/54361">#54361</a>)</div></div><div class='docblock'><p>Creates a new <code>Duration</code> from the specified number of seconds represented
as <code>f64</code>.</p>
<h1 id="panics-1" class="section-header"><a href="#panics-1">Panics</a></h1>
<p>This constructor will panic if <code>secs</code> is not finite, negative or overflows <code>Duration</code>.</p>
<h1 id="examples-23" class="section-header"><a href="#examples-23">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_float</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">dur</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">from_secs_f64</span>(<span class="number">2.7</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur</span>, <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">2</span>, <span class="number">700_000_000</span>));<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_float)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Alet%20dur%20%3D%20Duration%3A%3Afrom_secs_f64(2.7)%3B%0Aassert_eq!(dur%2C%20Duration%3A%3Anew(2%2C%20700_000_000))%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='method.from_secs_f32' class="method"><code id='from_secs_f32.v'>pub fn <a href='#method.from_secs_f32' class='fnname'>from_secs_f32</a>(secs: f32) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#590-608' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_float</code> <a href="https://github.com/rust-lang/rust/issues/54361">#54361</a>)</div></div><div class='docblock'><p>Creates a new <code>Duration</code> from the specified number of seconds represented
as <code>f32</code>.</p>
<h1 id="panics-2" class="section-header"><a href="#panics-2">Panics</a></h1>
<p>This constructor will panic if <code>secs</code> is not finite, negative or overflows <code>Duration</code>.</p>
<h1 id="examples-24" class="section-header"><a href="#examples-24">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_float</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">dur</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">from_secs_f32</span>(<span class="number">2.7</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur</span>, <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">2</span>, <span class="number">700_000_000</span>));<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_float)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Alet%20dur%20%3D%20Duration%3A%3Afrom_secs_f32(2.7)%3B%0Aassert_eq!(dur%2C%20Duration%3A%3Anew(2%2C%20700_000_000))%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='method.mul_f64' class="method"><code id='mul_f64.v'>pub fn <a href='#method.mul_f64' class='fnname'>mul_f64</a>(self, rhs: f64) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#626-628' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_float</code> <a href="https://github.com/rust-lang/rust/issues/54361">#54361</a>)</div></div><div class='docblock'><p>Multiplies <code>Duration</code> by <code>f64</code>.</p>
<h1 id="panics-3" class="section-header"><a href="#panics-3">Panics</a></h1>
<p>This method will panic if result is not finite, negative or overflows <code>Duration</code>.</p>
<h1 id="examples-25" class="section-header"><a href="#examples-25">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_float</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">dur</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">2</span>, <span class="number">700_000_000</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur</span>.<span class="ident">mul_f64</span>(<span class="number">3.14</span>), <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">8</span>, <span class="number">478_000_000</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur</span>.<span class="ident">mul_f64</span>(<span class="number">3.14e5</span>), <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">847_800</span>, <span class="number">0</span>));<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_float)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Alet%20dur%20%3D%20Duration%3A%3Anew(2%2C%20700_000_000)%3B%0Aassert_eq!(dur.mul_f64(3.14)%2C%20Duration%3A%3Anew(8%2C%20478_000_000))%3B%0Aassert_eq!(dur.mul_f64(3.14e5)%2C%20Duration%3A%3Anew(847_800%2C%200))%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='method.mul_f32' class="method"><code id='mul_f32.v'>pub fn <a href='#method.mul_f32' class='fnname'>mul_f32</a>(self, rhs: f32) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#648-650' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_float</code> <a href="https://github.com/rust-lang/rust/issues/54361">#54361</a>)</div></div><div class='docblock'><p>Multiplies <code>Duration</code> by <code>f32</code>.</p>
<h1 id="panics-4" class="section-header"><a href="#panics-4">Panics</a></h1>
<p>This method will panic if result is not finite, negative or overflows <code>Duration</code>.</p>
<h1 id="examples-26" class="section-header"><a href="#examples-26">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_float</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">dur</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">2</span>, <span class="number">700_000_000</span>);
<span class="comment">// note that due to rounding errors result is slightly different</span>
<span class="comment">// from 8.478 and 847800.0</span>
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur</span>.<span class="ident">mul_f32</span>(<span class="number">3.14</span>), <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">8</span>, <span class="number">478_000_640</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur</span>.<span class="ident">mul_f32</span>(<span class="number">3.14e5</span>), <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">847799</span>, <span class="number">969_120_256</span>));<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_float)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Alet%20dur%20%3D%20Duration%3A%3Anew(2%2C%20700_000_000)%3B%0A%2F%2F%20note%20that%20due%20to%20rounding%20errors%20result%20is%20slightly%20different%0A%2F%2F%20from%208.478%20and%20847800.0%0Aassert_eq!(dur.mul_f32(3.14)%2C%20Duration%3A%3Anew(8%2C%20478_000_640))%3B%0Aassert_eq!(dur.mul_f32(3.14e5)%2C%20Duration%3A%3Anew(847799%2C%20969_120_256))%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='method.div_f64' class="method"><code id='div_f64.v'>pub fn <a href='#method.div_f64' class='fnname'>div_f64</a>(self, rhs: f64) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#669-671' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_float</code> <a href="https://github.com/rust-lang/rust/issues/54361">#54361</a>)</div></div><div class='docblock'><p>Divide <code>Duration</code> by <code>f64</code>.</p>
<h1 id="panics-5" class="section-header"><a href="#panics-5">Panics</a></h1>
<p>This method will panic if result is not finite, negative or overflows <code>Duration</code>.</p>
<h1 id="examples-27" class="section-header"><a href="#examples-27">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_float</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">dur</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">2</span>, <span class="number">700_000_000</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur</span>.<span class="ident">div_f64</span>(<span class="number">3.14</span>), <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">859_872_611</span>));
<span class="comment">// note that truncation is used, not rounding</span>
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur</span>.<span class="ident">div_f64</span>(<span class="number">3.14e5</span>), <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">8_598</span>));<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_float)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Alet%20dur%20%3D%20Duration%3A%3Anew(2%2C%20700_000_000)%3B%0Aassert_eq!(dur.div_f64(3.14)%2C%20Duration%3A%3Anew(0%2C%20859_872_611))%3B%0A%2F%2F%20note%20that%20truncation%20is%20used%2C%20not%20rounding%0Aassert_eq!(dur.div_f64(3.14e5)%2C%20Duration%3A%3Anew(0%2C%208_598))%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='method.div_f32' class="method"><code id='div_f32.v'>pub fn <a href='#method.div_f32' class='fnname'>div_f32</a>(self, rhs: f32) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#692-694' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_float</code> <a href="https://github.com/rust-lang/rust/issues/54361">#54361</a>)</div></div><div class='docblock'><p>Divide <code>Duration</code> by <code>f32</code>.</p>
<h1 id="panics-6" class="section-header"><a href="#panics-6">Panics</a></h1>
<p>This method will panic if result is not finite, negative or overflows <code>Duration</code>.</p>
<h1 id="examples-28" class="section-header"><a href="#examples-28">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_float</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">dur</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">2</span>, <span class="number">700_000_000</span>);
<span class="comment">// note that due to rounding errors result is slightly</span>
<span class="comment">// different from 0.859_872_611</span>
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur</span>.<span class="ident">div_f32</span>(<span class="number">3.14</span>), <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">859_872_576</span>));
<span class="comment">// note that truncation is used, not rounding</span>
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur</span>.<span class="ident">div_f32</span>(<span class="number">3.14e5</span>), <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">8_598</span>));<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_float)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Alet%20dur%20%3D%20Duration%3A%3Anew(2%2C%20700_000_000)%3B%0A%2F%2F%20note%20that%20due%20to%20rounding%20errors%20result%20is%20slightly%0A%2F%2F%20different%20from%200.859_872_611%0Aassert_eq!(dur.div_f32(3.14)%2C%20Duration%3A%3Anew(0%2C%20859_872_576))%3B%0A%2F%2F%20note%20that%20truncation%20is%20used%2C%20not%20rounding%0Aassert_eq!(dur.div_f32(3.14e5)%2C%20Duration%3A%3Anew(0%2C%208_598))%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='method.div_duration_f64' class="method"><code id='div_duration_f64.v'>pub fn <a href='#method.div_duration_f64' class='fnname'>div_duration_f64</a>(self, rhs: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> f64</code><a class='srclink' href='../../src/core/time.rs.html#709-711' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_float</code> <a href="https://github.com/rust-lang/rust/issues/54361">#54361</a>)</div></div><div class='docblock'><p>Divide <code>Duration</code> by <code>Duration</code> and return <code>f64</code>.</p>
<h1 id="examples-29" class="section-header"><a href="#examples-29">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_float</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">dur1</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">2</span>, <span class="number">700_000_000</span>);
<span class="kw">let</span> <span class="ident">dur2</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">5</span>, <span class="number">400_000_000</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur1</span>.<span class="ident">div_duration_f64</span>(<span class="ident">dur2</span>), <span class="number">0.5</span>);<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_float)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Alet%20dur1%20%3D%20Duration%3A%3Anew(2%2C%20700_000_000)%3B%0Alet%20dur2%20%3D%20Duration%3A%3Anew(5%2C%20400_000_000)%3B%0Aassert_eq!(dur1.div_duration_f64(dur2)%2C%200.5)%3B%0A%7D&version=nightly">Run</a></pre></div>
</div><h4 id='method.div_duration_f32' class="method"><code id='div_duration_f32.v'>pub fn <a href='#method.div_duration_f32' class='fnname'>div_duration_f32</a>(self, rhs: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> f32</code><a class='srclink' href='../../src/core/time.rs.html#726-728' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>duration_float</code> <a href="https://github.com/rust-lang/rust/issues/54361">#54361</a>)</div></div><div class='docblock'><p>Divide <code>Duration</code> by <code>Duration</code> and return <code>f32</code>.</p>
<h1 id="examples-30" class="section-header"><a href="#examples-30">Examples</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">duration_float</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="kw">let</span> <span class="ident">dur1</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">2</span>, <span class="number">700_000_000</span>);
<span class="kw">let</span> <span class="ident">dur2</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">5</span>, <span class="number">400_000_000</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">dur1</span>.<span class="ident">div_duration_f32</span>(<span class="ident">dur2</span>), <span class="number">0.5</span>);<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(duration_float)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Alet%20dur1%20%3D%20Duration%3A%3Anew(2%2C%20700_000_000)%3B%0Alet%20dur2%20%3D%20Duration%3A%3Anew(5%2C%20400_000_000)%3B%0Aassert_eq!(dur1.div_duration_f32(dur2)%2C%200.5)%3B%0A%7D&version=nightly">Run</a></pre></div>
</div></div><h2 id='implementations' class='small-section-header'>Trait Implementations<a href='#implementations' class='anchor'></a></h2><div id='implementations-list'><h3 id='impl-Copy' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Copy' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h3><div class='impl-items'></div><h3 id='impl-Add%3CDuration%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/ops/trait.Add.html" title="trait core::ops::Add">Add</a><<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Add%3CDuration%3E' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#732-738' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Output' class="type"><code id='Output.t'>type <a href='../../core/ops/trait.Add.html#associatedtype.Output' class="type">Output</a> = <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code></h4><div class='docblock'><p>The resulting type after applying the <code>+</code> operator.</p>
</div><h4 id='method.add' class="method hidden"><code id='add.v'>fn <a href='../../core/ops/trait.Add.html#tymethod.add' class='fnname'>add</a>(self, rhs: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#735-737' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the <code>+</code> operation.</p>
</div></div><h3 id='impl-Sub%3CDuration%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/ops/trait.Sub.html" title="trait core::ops::Sub">Sub</a><<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Sub%3CDuration%3E' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#748-754' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Output-1' class="type"><code id='Output.t-1'>type <a href='../../core/ops/trait.Sub.html#associatedtype.Output' class="type">Output</a> = <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code></h4><div class='docblock'><p>The resulting type after applying the <code>-</code> operator.</p>
</div><h4 id='method.sub' class="method hidden"><code id='sub.v'>fn <a href='../../core/ops/trait.Sub.html#tymethod.sub' class='fnname'>sub</a>(self, rhs: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#751-753' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the <code>-</code> operation.</p>
</div></div><h3 id='impl-Mul%3Cu32%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/ops/trait.Mul.html" title="trait core::ops::Mul">Mul</a><u32> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Mul%3Cu32%3E' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#764-770' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Output-2' class="type"><code id='Output.t-2'>type <a href='../../core/ops/trait.Mul.html#associatedtype.Output' class="type">Output</a> = <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code></h4><div class='docblock'><p>The resulting type after applying the <code>*</code> operator.</p>
</div><h4 id='method.mul' class="method hidden"><code id='mul.v'>fn <a href='../../core/ops/trait.Mul.html#tymethod.mul' class='fnname'>mul</a>(self, rhs: u32) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#767-769' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the <code>*</code> operation.</p>
</div></div><h3 id='impl-Mul%3CDuration%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/ops/trait.Mul.html" title="trait core::ops::Mul">Mul</a><<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>> for u32</code><a href='#impl-Mul%3CDuration%3E' class='anchor'></a><div class='since' title='Stable since Rust version 1.31.0'>1.31.0</div><a class='srclink' href='../../src/core/time.rs.html#773-779' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Output-3' class="type"><code id='Output.t-3'>type <a href='../../core/ops/trait.Mul.html#associatedtype.Output' class="type">Output</a> = <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code></h4><div class='docblock'><p>The resulting type after applying the <code>*</code> operator.</p>
</div><h4 id='method.mul-1' class="method hidden"><code id='mul.v-1'>fn <a href='../../core/ops/trait.Mul.html#tymethod.mul' class='fnname'>mul</a>(self, rhs: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#776-778' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the <code>*</code> operation.</p>
</div></div><h3 id='impl-Div%3Cu32%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/ops/trait.Div.html" title="trait core::ops::Div">Div</a><u32> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Div%3Cu32%3E' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#789-795' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Output-4' class="type"><code id='Output.t-4'>type <a href='../../core/ops/trait.Div.html#associatedtype.Output' class="type">Output</a> = <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code></h4><div class='docblock'><p>The resulting type after applying the <code>/</code> operator.</p>
</div><h4 id='method.div' class="method hidden"><code id='div.v'>fn <a href='../../core/ops/trait.Div.html#tymethod.div' class='fnname'>div</a>(self, rhs: u32) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#792-794' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the <code>/</code> operation.</p>
</div></div><h3 id='impl-AddAssign%3CDuration%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/ops/trait.AddAssign.html" title="trait core::ops::AddAssign">AddAssign</a><<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-AddAssign%3CDuration%3E' class='anchor'></a><div class='since' title='Stable since Rust version 1.9.0'>1.9.0</div><a class='srclink' href='../../src/core/time.rs.html#741-745' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.add_assign' class="method hidden"><code id='add_assign.v'>fn <a href='../../core/ops/trait.AddAssign.html#tymethod.add_assign' class='fnname'>add_assign</a>(&mut self, rhs: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>)</code><a class='srclink' href='../../src/core/time.rs.html#742-744' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the <code>+=</code> operation.</p>
</div></div><h3 id='impl-SubAssign%3CDuration%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/ops/trait.SubAssign.html" title="trait core::ops::SubAssign">SubAssign</a><<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-SubAssign%3CDuration%3E' class='anchor'></a><div class='since' title='Stable since Rust version 1.9.0'>1.9.0</div><a class='srclink' href='../../src/core/time.rs.html#757-761' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.sub_assign' class="method hidden"><code id='sub_assign.v'>fn <a href='../../core/ops/trait.SubAssign.html#tymethod.sub_assign' class='fnname'>sub_assign</a>(&mut self, rhs: <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>)</code><a class='srclink' href='../../src/core/time.rs.html#758-760' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the <code>-=</code> operation.</p>
</div></div><h3 id='impl-MulAssign%3Cu32%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/ops/trait.MulAssign.html" title="trait core::ops::MulAssign">MulAssign</a><u32> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-MulAssign%3Cu32%3E' class='anchor'></a><div class='since' title='Stable since Rust version 1.9.0'>1.9.0</div><a class='srclink' href='../../src/core/time.rs.html#782-786' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.mul_assign' class="method hidden"><code id='mul_assign.v'>fn <a href='../../core/ops/trait.MulAssign.html#tymethod.mul_assign' class='fnname'>mul_assign</a>(&mut self, rhs: u32)</code><a class='srclink' href='../../src/core/time.rs.html#783-785' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the <code>*=</code> operation.</p>
</div></div><h3 id='impl-DivAssign%3Cu32%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/ops/trait.DivAssign.html" title="trait core::ops::DivAssign">DivAssign</a><u32> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-DivAssign%3Cu32%3E' class='anchor'></a><div class='since' title='Stable since Rust version 1.9.0'>1.9.0</div><a class='srclink' href='../../src/core/time.rs.html#798-802' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.div_assign' class="method hidden"><code id='div_assign.v'>fn <a href='../../core/ops/trait.DivAssign.html#tymethod.div_assign' class='fnname'>div_assign</a>(&mut self, rhs: u32)</code><a class='srclink' href='../../src/core/time.rs.html#799-801' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the <code>/=</code> operation.</p>
</div></div><h3 id='impl-PartialEq%3CDuration%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a><<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-PartialEq%3CDuration%3E' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.eq' class="method hidden"><code id='eq.v'>fn <a href='../../core/cmp/trait.PartialEq.html#tymethod.eq' class='fnname'>eq</a>(&self, other: &<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> bool</code><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>. <a href="../../core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
</div><h4 id='method.ne' class="method hidden"><code id='ne.v'>fn <a href='../../core/cmp/trait.PartialEq.html#method.ne' class='fnname'>ne</a>(&self, other: &<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> bool</code><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests for <code>!=</code>.</p>
</div></div><h3 id='impl-Eq' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Eq' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h3><div class='impl-items'></div><h3 id='impl-Ord' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Ord' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.cmp' class="method hidden"><code id='cmp.v'>fn <a href='../../core/cmp/trait.Ord.html#tymethod.cmp' class='fnname'>cmp</a>(&self, other: &<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> <a class="enum" href="../../core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a></code><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method returns an <code>Ordering</code> between <code>self</code> and <code>other</code>. <a href="../../core/cmp/trait.Ord.html#tymethod.cmp">Read more</a></p>
</div><h4 id='method.max' class="method"><code id='max.v'>fn <a href='../../core/cmp/trait.Ord.html#method.max' class='fnname'>max</a>(self, other: Self) -> Self <span class="where fmt-newline">where<br> Self: <a class="trait" href="../../core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><div class='since' title='Stable since Rust version 1.21.0'>1.21.0</div><a class='srclink' href='../../src/core/cmp.rs.html#549-552' title='goto source code'>[src]</a></h4><div class='docblock'><p>Compares and returns the maximum of two values. <a href="../../core/cmp/trait.Ord.html#method.max">Read more</a></p>
</div><h4 id='method.min' class="method"><code id='min.v'>fn <a href='../../core/cmp/trait.Ord.html#method.min' class='fnname'>min</a>(self, other: Self) -> Self <span class="where fmt-newline">where<br> Self: <a class="trait" href="../../core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><div class='since' title='Stable since Rust version 1.21.0'>1.21.0</div><a class='srclink' href='../../src/core/cmp.rs.html#566-569' title='goto source code'>[src]</a></h4><div class='docblock'><p>Compares and returns the minimum of two values. <a href="../../core/cmp/trait.Ord.html#method.min">Read more</a></p>
</div><h4 id='method.clamp' class="method"><code id='clamp.v'>fn <a href='../../core/cmp/trait.Ord.html#method.clamp' class='fnname'>clamp</a>(self, min: Self, max: Self) -> Self <span class="where fmt-newline">where<br> Self: <a class="trait" href="../../core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a class='srclink' href='../../src/core/cmp.rs.html#590-600' title='goto source code'>[src]</a></h4><div class='stability'><div class='stab unstable'><span class='emoji'>🔬</span> This is a nightly-only experimental API. (<code>clamp</code> <a href="https://github.com/rust-lang/rust/issues/44095">#44095</a>)</div></div><div class='docblock'><p>Restrict a value to a certain interval. <a href="../../core/cmp/trait.Ord.html#method.clamp">Read more</a></p>
</div></div><h3 id='impl-PartialOrd%3CDuration%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a><<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-PartialOrd%3CDuration%3E' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.partial_cmp' class="method hidden"><code id='partial_cmp.v'>fn <a href='../../core/cmp/trait.PartialOrd.html#tymethod.partial_cmp' class='fnname'>partial_cmp</a>(&self, other: &<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> <a class="enum" href="../../core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="../../core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a>></code><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method returns an ordering between <code>self</code> and <code>other</code> values if one exists. <a href="../../core/cmp/trait.PartialOrd.html#tymethod.partial_cmp">Read more</a></p>
</div><h4 id='method.lt' class="method hidden"><code id='lt.v'>fn <a href='../../core/cmp/trait.PartialOrd.html#method.lt' class='fnname'>lt</a>(&self, other: &<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> bool</code><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests less than (for <code>self</code> and <code>other</code>) and is used by the <code><</code> operator. <a href="../../core/cmp/trait.PartialOrd.html#method.lt">Read more</a></p>
</div><h4 id='method.le' class="method hidden"><code id='le.v'>fn <a href='../../core/cmp/trait.PartialOrd.html#method.le' class='fnname'>le</a>(&self, other: &<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> bool</code><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h4><div class='docblock hidden'><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="../../core/cmp/trait.PartialOrd.html#method.le">Read more</a></p>
</div><h4 id='method.gt' class="method hidden"><code id='gt.v'>fn <a href='../../core/cmp/trait.PartialOrd.html#method.gt' class='fnname'>gt</a>(&self, other: &<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> bool</code><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>This method tests greater than (for <code>self</code> and <code>other</code>) and is used by the <code>></code> operator. <a href="../../core/cmp/trait.PartialOrd.html#method.gt">Read more</a></p>
</div><h4 id='method.ge' class="method hidden"><code id='ge.v'>fn <a href='../../core/cmp/trait.PartialOrd.html#method.ge' class='fnname'>ge</a>(&self, other: &<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> bool</code><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h4><div class='docblock hidden'><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="../../core/cmp/trait.PartialOrd.html#method.ge">Read more</a></p>
</div></div><h3 id='impl-Clone' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Clone' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.clone' class="method hidden"><code id='clone.v'>fn <a href='../../core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Returns a copy of the value. <a href="../../core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
</div><h4 id='method.clone_from' class="method"><code id='clone_from.v'>fn <a href='../../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><a class='srclink' href='../../src/core/clone.rs.html#131-133' title='goto source code'>[src]</a></h4><div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="../../core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
</div></div><h3 id='impl-Default' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Default' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.default' class="method hidden"><code id='default.v'>fn <a href='../../core/default/trait.Default.html#tymethod.default' class='fnname'>default</a>() -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Returns the "default value" for a type. <a href="../../core/default/trait.Default.html#tymethod.default">Read more</a></p>
</div></div><h3 id='impl-Sum%3CDuration%3E' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/iter/trait.Sum.html" title="trait core::iter::Sum">Sum</a><<a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Sum%3CDuration%3E' class='anchor'></a><div class='since' title='Stable since Rust version 1.16.0'>1.16.0</div><a class='srclink' href='../../src/core/time.rs.html#835-839' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.sum' class="method hidden"><code id='sum.v'>fn <a href='../../core/iter/trait.Sum.html#tymethod.sum' class='fnname'>sum</a><I: <a class="trait" href="../../core/iter/trait.Iterator.html" title="trait core::iter::Iterator">Iterator</a><Item = <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>>>(iter: I) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#836-838' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Method which takes an iterator and generates <code>Self</code> from the elements by "summing up" the items. <a href="../../core/iter/trait.Sum.html#tymethod.sum">Read more</a></p>
</div></div><h3 id='impl-Sum%3C%26%27a%20Duration%3E' class='impl'><code class='in-band'>impl<'a> <a class="trait" href="../../core/iter/trait.Sum.html" title="trait core::iter::Sum">Sum</a><&'a <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Sum%3C%26%27a%20Duration%3E' class='anchor'></a><div class='since' title='Stable since Rust version 1.16.0'>1.16.0</div><a class='srclink' href='../../src/core/time.rs.html#842-846' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.sum-1' class="method hidden"><code id='sum.v-1'>fn <a href='../../core/iter/trait.Sum.html#tymethod.sum' class='fnname'>sum</a><I: <a class="trait" href="../../core/iter/trait.Iterator.html" title="trait core::iter::Iterator">Iterator</a><Item = &'a <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>>>(iter: I) -> <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a class='srclink' href='../../src/core/time.rs.html#843-845' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Method which takes an iterator and generates <code>Self</code> from the elements by "summing up" the items. <a href="../../core/iter/trait.Sum.html#tymethod.sum">Read more</a></p>
</div></div><h3 id='impl-Hash' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Hash' class='anchor'></a><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.hash' class="method hidden"><code id='hash.v'>fn <a href='../../core/hash/trait.Hash.html#tymethod.hash' class='fnname'>hash</a><__H: <a class="trait" href="../../core/hash/trait.Hasher.html" title="trait core::hash::Hasher">Hasher</a>>(&self, state: &mut __H)</code><a class='srclink' href='../../src/core/time.rs.html#54' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Feeds this value into the given [<code>Hasher</code>]. <a href="../../core/hash/trait.Hash.html#tymethod.hash">Read more</a></p>
</div><h4 id='method.hash_slice' class="method"><code id='hash_slice.v'>fn <a href='../../core/hash/trait.Hash.html#method.hash_slice' class='fnname'>hash_slice</a><H: <a class="trait" href="../../core/hash/trait.Hasher.html" title="trait core::hash::Hasher">Hasher</a>>(data: &[Self], state: &mut H) <span class="where fmt-newline">where<br> Self: <a class="trait" href="../../core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a class='srclink' href='../../src/core/hash/mod.rs.html#193-199' title='goto source code'>[src]</a></h4><div class='docblock'><p>Feeds a slice of this type into the given [<code>Hasher</code>]. <a href="../../core/hash/trait.Hash.html#method.hash_slice">Read more</a></p>
</div></div><h3 id='impl-Debug' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Debug' class='anchor'></a><div class='since' title='Stable since Rust version 1.27.0'>1.27.0</div><a class='srclink' href='../../src/core/time.rs.html#849-962' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.fmt' class="method hidden"><code id='fmt.v'>fn <a href='../../core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="../../core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="../../core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code><a class='srclink' href='../../src/core/time.rs.html#850-961' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="../../core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div></div><h2 id='synthetic-implementations' class='small-section-header'>Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a></h2><div id='synthetic-implementations-list'><h3 id='impl-Send' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Send' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><code class='in-band'>impl <a class="trait" href="../../core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a></code><a href='#impl-Sync' class='anchor'></a></h3><div class='impl-items'></div></div><h2 id='blanket-implementations' class='small-section-header'>Blanket Implementations<a href='#blanket-implementations' class='anchor'></a></h2><div id='blanket-implementations-list'><h3 id='impl-Into' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="../../core/convert/trait.Into.html" title="trait core::convert::Into">Into</a> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="../../core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></code><a href='#impl-Into' class='anchor'></a><a class='srclink' href='../../src/core/convert.rs.html#537-542' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.into' class="method hidden"><code id='into.v'>fn <a href='../../core/convert/trait.Into.html#tymethod.into' class='fnname'>into</a>(Self) -> U</code><a class='srclink' href='../../src/core/convert.rs.html#539-541' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id='impl-From' class='impl'><code class='in-band'>impl<T> <a class="trait" href="../../core/convert/trait.From.html" title="trait core::convert::From">From</a> for T</code><a href='#impl-From' class='anchor'></a><a class='srclink' href='../../src/core/convert.rs.html#546-548' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from' class="method hidden"><code id='from.v'>fn <a href='../../core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(T) -> T</code><a class='srclink' href='../../src/core/convert.rs.html#547' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id='impl-TryInto' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="../../core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="../../core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><a href='#impl-TryInto' class='anchor'></a><a class='srclink' href='../../src/core/convert.rs.html#553-560' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error' class="type"><code id='Error.t'>type <a href='../../core/convert/trait.TryInto.html#associatedtype.Error' class="type">Error</a> = <U as <a class="trait" href="../../core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="../../core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id='method.try_into' class="method hidden"><code id='try_into.v'>fn <a href='../../core/convert/trait.TryInto.html#tymethod.try_into' class='fnname'>try_into</a>(Self) -> <a class="enum" href="../../core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="../../core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="../../core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='../../src/core/convert.rs.html#557-559' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id='impl-TryFrom' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="../../core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="../../core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></code><a href='#impl-TryFrom' class='anchor'></a><a class='srclink' href='../../src/core/convert.rs.html#565-571' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error-1' class="type"><code id='Error.t-1'>type <a href='../../core/convert/trait.TryFrom.html#associatedtype.Error' class="type">Error</a> = <a class="enum" href="../../core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id='method.try_from' class="method hidden"><code id='try_from.v'>fn <a href='../../core/convert/trait.TryFrom.html#tymethod.try_from' class='fnname'>try_from</a>(U) -> <a class="enum" href="../../core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="../../core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="type" href="../../core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='../../src/core/convert.rs.html#568-570' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id='impl-Borrow' class='impl'><code class='in-band'>impl<T> <a class="trait" href="../../core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="../../core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Borrow' class='anchor'></a><a class='srclink' href='../../src/core/borrow.rs.html#213-215' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow' class="method hidden"><code id='borrow.v'>fn <a href='../../core/borrow/trait.Borrow.html#tymethod.borrow' class='fnname'>borrow</a>(&Self) -> &T</code><a class='srclink' href='../../src/core/borrow.rs.html#214' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="../../core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3 id='impl-BorrowMut' class='impl'><code class='in-band'>impl<T> <a class="trait" href="../../core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="../../core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-BorrowMut' class='anchor'></a><a class='srclink' href='../../src/core/borrow.rs.html#218-220' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow_mut' class="method hidden"><code id='borrow_mut.v'>fn <a href='../../core/borrow/trait.BorrowMut.html#tymethod.borrow_mut' class='fnname'>borrow_mut</a>(&mut Self) -> &mut T</code><a class='srclink' href='../../src/core/borrow.rs.html#219' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="../../core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3 id='impl-Any' class='impl'><code class='in-band'>impl<T> <a class="trait" href="../../core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="../../core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Any' class='anchor'></a><a class='srclink' href='../../src/core/any.rs.html#100-102' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.type_id' class="method hidden"><code id='type_id.v'>fn <a href='../../core/any/trait.Any.html#tymethod.type_id' class='fnname'>type_id</a>(&Self) -> <a class="struct" href="../../core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class='srclink' href='../../src/core/any.rs.html#101' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="../../core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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