254 lines
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HTML
254 lines
12 KiB
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<meta name="description" content="API documentation for the Rust `format` mod in crate `chrono`.">
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<meta name="keywords" content="rust, rustlang, rust-lang, format">
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<title>chrono::format - Rust</title>
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<div class="sidebar-menu">☰</div>
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<p class='location'>Module format</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#reexports">Re-exports</a></li><li><a href="#modules">Modules</a></li><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li><li><a href="#functions">Functions</a></li><li><a href="#types">Type Definitions</a></li></ul></div><p class='location'><a href='../index.html'>chrono</a></p><script>window.sidebarCurrent = {name: 'format', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div>
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autocomplete="off"
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placeholder="Click or press ‘S’ to search, ‘?’ for more options…"
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type="search">
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</nav>
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<section id='main' class="content">
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<h1 class='fqn'><span class='in-band'>Module <a href='../index.html'>chrono</a>::<wbr><a class="mod" href=''>format</a></span><span class='out-of-band'><span id='render-detail'>
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<a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">
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[<span class='inner'>−</span>]
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</a>
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</span><a class='srclink' href='../../src/chrono/format/mod.rs.html#4-625' title='goto source code'>[src]</a></span></h1>
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<div class='docblock'><p>Formatting (and parsing) utilities for date and time.</p>
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<p>This module provides the common types and routines to implement,
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for example, <a href="../struct.DateTime.html#method.format"><code>DateTime::format</code></a> or
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<a href="../struct.DateTime.html#method.parse_from_str"><code>DateTime::parse_from_str</code></a> methods.
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For most cases you should use these high-level interfaces.</p>
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<p>Internally the formatting and parsing shares the same abstract <strong>formatting items</strong>,
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which are just an <a href="https://doc.rust-lang.org/std/iter/trait.Iterator.html"><code>Iterator</code></a> of
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the <a href="./enum.Item.html"><code>Item</code></a> type.
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They are generated from more readable <strong>format strings</strong>;
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currently Chrono supports <a href="./strftime/index.html">one built-in syntax closely resembling
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C's <code>strftime</code> format</a>.</p>
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</div><h2 id='reexports' class='section-header'><a href="#reexports">Re-exports</a></h2>
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<table><tr><td><code>pub use self::strftime::<a class="struct" href="../../chrono/format/strftime/struct.StrftimeItems.html" title="struct chrono::format::strftime::StrftimeItems">StrftimeItems</a>;</code></td></tr></table><h2 id='modules' class='section-header'><a href="#modules">Modules</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="mod" href="strftime/index.html"
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title='mod chrono::format::strftime'>strftime</a></td>
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<td class='docblock-short'>
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<p><code>strftime</code>/<code>strptime</code>-inspired date and time formatting syntax.</p>
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</td>
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</tr></table><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.DelayedFormat.html"
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title='struct chrono::format::DelayedFormat'>DelayedFormat</a></td>
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<td class='docblock-short'>
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<p>A <em>temporary</em> object which can be used as an argument to <code>format!</code> or others.
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This is normally constructed via <code>format</code> methods of each date and time type.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.InternalFixed.html"
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title='struct chrono::format::InternalFixed'>InternalFixed</a></td>
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<td class='docblock-short'>
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<p>An opaque type representing fixed-format item types for internal uses only.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.InternalNumeric.html"
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title='struct chrono::format::InternalNumeric'>InternalNumeric</a></td>
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<td class='docblock-short'>
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<p>An opaque type representing numeric item types for internal uses only.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.ParseError.html"
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title='struct chrono::format::ParseError'>ParseError</a></td>
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<td class='docblock-short'>
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<p>An error from the <code>parse</code> function.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Parsed.html"
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title='struct chrono::format::Parsed'>Parsed</a></td>
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<td class='docblock-short'>
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<p>Parsed parts of date and time. There are two classes of methods:</p>
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</td>
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</tr></table><h2 id='enums' class='section-header'><a href="#enums">Enums</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="enum" href="enum.Fixed.html"
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title='enum chrono::format::Fixed'>Fixed</a></td>
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<td class='docblock-short'>
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<p>Fixed-format item types.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="enum" href="enum.Item.html"
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title='enum chrono::format::Item'>Item</a></td>
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<td class='docblock-short'>
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<p>A single formatting item. This is used for both formatting and parsing.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="enum" href="enum.Numeric.html"
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title='enum chrono::format::Numeric'>Numeric</a></td>
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<td class='docblock-short'>
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<p>Numeric item types.
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They have associated formatting width (FW) and parsing width (PW).</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="enum" href="enum.Pad.html"
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title='enum chrono::format::Pad'>Pad</a></td>
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<td class='docblock-short'>
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<p>Padding characters for numeric items.</p>
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</td>
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</tr></table><h2 id='functions' class='section-header'><a href="#functions">Functions</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="fn" href="fn.format.html"
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title='fn chrono::format::format'>format</a></td>
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<td class='docblock-short'>
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<p>Tries to format given arguments with given formatting items.
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Internally used by <code>DelayedFormat</code>.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="fn" href="fn.parse.html"
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title='fn chrono::format::parse'>parse</a></td>
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<td class='docblock-short'>
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<p>Tries to parse given string into <code>parsed</code> with given formatting items.
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Returns <code>Ok</code> when the entire string has been parsed (otherwise <code>parsed</code> should not be used).
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There should be no trailing string after parsing;
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use a stray <a href="./enum.Item.html#variant.Space"><code>Item::Space</code></a> to trim whitespaces.</p>
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</td>
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</tr></table><h2 id='types' class='section-header'><a href="#types">Type Definitions</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="type" href="type.ParseResult.html"
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title='type chrono::format::ParseResult'>ParseResult</a></td>
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<td class='docblock-short'>
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<p>Same to <code>Result<T, ParseError></code>.</p>
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</td>
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</tr></table></section>
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<section id='search' class="content hidden"></section>
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<code>fn:</code>) to restrict the search to a given type.
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Accepted types are: <code>fn</code>, <code>mod</code>,
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<code>struct</code>, <code>enum</code>,
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<code>trait</code>, <code>type</code>, <code>macro</code>,
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and <code>const</code>.
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<p>
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Search functions by type signature (e.g.
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<code>vec -> usize</code> or <code>* -> vec</code>)
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