| <!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="Returns if the provided year is a leap year in the proleptic Gregorian calendar. Uses astronomical year numbering."><meta name="keywords" content="rust, rustlang, rust-lang, is_leap_year"><title>is_leap_year in time::util - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" href="https://avatars0.githubusercontent.com/u/55999857"></head><body class="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../time/index.html"><div class="logo-container"><img src="https://avatars0.githubusercontent.com/u/55999857" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../time/index.html"><div class="logo-container"> |
| <img src="https://avatars0.githubusercontent.com/u/55999857" alt="logo"></div></a><div class="sidebar-elems"><h2><a href="index.html">In time::util</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Function <a href="../index.html">time</a>::<wbr><a href="index.html">util</a>::<wbr><a class="fn" href="#">is_leap_year</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../../src/time_core/util.rs.html#14">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust fn"><code>pub const fn is_leap_year(year: i32) -> bool</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Returns if the provided year is a leap year in the proleptic Gregorian calendar. Uses |
| <a href="https://en.wikipedia.org/wiki/Astronomical_year_numbering">astronomical year numbering</a>.</p> |
| |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="macro">assert!</span>(!is_leap_year(<span class="number">1900</span>)); |
| <span class="macro">assert!</span>(is_leap_year(<span class="number">2000</span>)); |
| <span class="macro">assert!</span>(is_leap_year(<span class="number">2004</span>)); |
| <span class="macro">assert!</span>(!is_leap_year(<span class="number">2005</span>)); |
| <span class="macro">assert!</span>(!is_leap_year(<span class="number">2100</span>));</code></pre><a class="test-arrow" target="_blank" href="https://play.rust-lang.org?code=%23!%5Ballow(unused)%5D%0Aextern%20crate%20r%23time%3B%0Afn%20main()%20%7B%0Ause%20time%3A%3Autil%3A%3Ais_leap_year%3B%0Aassert!(!is_leap_year(1900))%3B%0Aassert!(is_leap_year(2000))%3B%0Aassert!(is_leap_year(2004))%3B%0Aassert!(!is_leap_year(2005))%3B%0Aassert!(!is_leap_year(2100))%3B%0A%7D&edition=2021">Run</a></div> |
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