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<!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 `MetadataExt` trait in crate `std`."><meta name="keywords" content="rust, rustlang, rust-lang, MetadataExt"><title>std::os::linux::fs::MetadataExt - Rust</title><link rel="stylesheet" type="text/css" href="../../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../../light.css" id="themeStyle"><script src="../../../../storage.js"></script><link rel="shortcut icon" href="https://doc.rust-lang.org/favicon.ico"></head><body class="rustdoc trait"><!--[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">&#9776;</div><a href='../../../../std/index.html'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='logo' width='100'></a><p class='location'>Trait MetadataExt</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.as_raw_stat">as_raw_stat</a><a href="#tymethod.st_dev">st_dev</a><a href="#tymethod.st_ino">st_ino</a><a href="#tymethod.st_mode">st_mode</a><a href="#tymethod.st_nlink">st_nlink</a><a href="#tymethod.st_uid">st_uid</a><a href="#tymethod.st_gid">st_gid</a><a href="#tymethod.st_rdev">st_rdev</a><a href="#tymethod.st_size">st_size</a><a href="#tymethod.st_atime">st_atime</a><a href="#tymethod.st_atime_nsec">st_atime_nsec</a><a href="#tymethod.st_mtime">st_mtime</a><a href="#tymethod.st_mtime_nsec">st_mtime_nsec</a><a href="#tymethod.st_ctime">st_ctime</a><a href="#tymethod.st_ctime_nsec">st_ctime_nsec</a><a href="#tymethod.st_blksize">st_blksize</a><a href="#tymethod.st_blocks">st_blocks</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../../../index.html'>std</a>::<wbr><a href='../../index.html'>os</a>::<wbr><a href='../index.html'>linux</a>::<wbr><a href='index.html'>fs</a></p><script>window.sidebarCurrent = {name: 'MetadataExt', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../../../settings.html"><img src="../../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Trait <a href='../../../index.html'>std</a>::<wbr><a href='../../index.html'>os</a>::<wbr><a href='../index.html'>linux</a>::<wbr><a href='index.html'>fs</a>::<wbr><a class="trait" href=''>MetadataExt</a></span><span class='out-of-band'><span class='since' title='Stable since Rust version 1.1.0'>1.1.0</span><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>&#x2212;</span>]</a></span><a class='srclink' href='../../../../src/std/os/linux/fs.rs.html#25-330' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust trait'>pub trait MetadataExt {
    fn <a href='#tymethod.as_raw_stat' class='fnname'>as_raw_stat</a>(&amp;self) -&gt; &amp;<a class="struct" href="../../../../std/os/linux/raw/struct.stat.html" title="struct std::os::linux::raw::stat">stat</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_dev' class='fnname'>st_dev</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_ino' class='fnname'>st_ino</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_mode' class='fnname'>st_mode</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u32.html">u32</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_nlink' class='fnname'>st_nlink</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_uid' class='fnname'>st_uid</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u32.html">u32</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_gid' class='fnname'>st_gid</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u32.html">u32</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_rdev' class='fnname'>st_rdev</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_size' class='fnname'>st_size</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_atime' class='fnname'>st_atime</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.i64.html">i64</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_atime_nsec' class='fnname'>st_atime_nsec</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.i64.html">i64</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_mtime' class='fnname'>st_mtime</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.i64.html">i64</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_mtime_nsec' class='fnname'>st_mtime_nsec</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.i64.html">i64</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_ctime' class='fnname'>st_ctime</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.i64.html">i64</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_ctime_nsec' class='fnname'>st_ctime_nsec</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.i64.html">i64</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_blksize' class='fnname'>st_blksize</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a>;
<div class='item-spacer'></div>    fn <a href='#tymethod.st_blocks' class='fnname'>st_blocks</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a>;
}</pre></div><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>OS-specific extensions to <a href="../../../../std/fs/struct.Metadata.html"><code>fs::Metadata</code></a>.</p>
</div>
            <h2 id='required-methods' class='small-section-header'>
              Required Methods<a href='#required-methods' class='anchor'></a>
            </h2>
            <div class='methods'>
        <h3 id='tymethod.as_raw_stat' class='method'><span id='as_raw_stat.v' class='invisible'><code>fn <a href='#tymethod.as_raw_stat' class='fnname'>as_raw_stat</a>(&amp;self) -&gt; &amp;<a class="struct" href="../../../../std/os/linux/raw/struct.stat.html" title="struct std::os::linux::raw::stat">stat</a></code></span></h3><div class='stability'><div class='stab deprecated'>Deprecated since 1.8.0<p>: deprecated in favor of the accessor methods of this trait</p>
</div><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Gain a reference to the underlying <code>stat</code> structure which contains
the raw information returned by the OS.</p>
<p>The contents of the returned <a href="../../../../std/os/linux/raw/struct.stat.html"><code>stat</code></a> are <strong>not</strong> consistent across
Unix platforms. The <code>os::unix::fs::MetadataExt</code> trait contains the
cross-Unix abstractions contained within the raw stat.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="kw">let</span> <span class="ident">stat</span> <span class="op">=</span> <span class="ident">meta</span>.<span class="ident">as_raw_stat</span>();
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20let%20stat%20%3D%20meta.as_raw_stat()%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_dev' class='method'><span id='st_dev.v' class='invisible'><code>fn <a href='#tymethod.st_dev' class='fnname'>st_dev</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the device ID on which this file resides.</p>
<h1 id="examples-1" class="section-header"><a href="#examples-1">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_dev</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_dev())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_ino' class='method'><span id='st_ino.v' class='invisible'><code>fn <a href='#tymethod.st_ino' class='fnname'>st_ino</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the inode number.</p>
<h1 id="examples-2" class="section-header"><a href="#examples-2">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_ino</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_ino())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_mode' class='method'><span id='st_mode.v' class='invisible'><code>fn <a href='#tymethod.st_mode' class='fnname'>st_mode</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u32.html">u32</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the file type and mode.</p>
<h1 id="examples-3" class="section-header"><a href="#examples-3">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_mode</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_mode())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_nlink' class='method'><span id='st_nlink.v' class='invisible'><code>fn <a href='#tymethod.st_nlink' class='fnname'>st_nlink</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the number of hard links to file.</p>
<h1 id="examples-4" class="section-header"><a href="#examples-4">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_nlink</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_nlink())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_uid' class='method'><span id='st_uid.v' class='invisible'><code>fn <a href='#tymethod.st_uid' class='fnname'>st_uid</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u32.html">u32</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the user ID of the file owner.</p>
<h1 id="examples-5" class="section-header"><a href="#examples-5">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_uid</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_uid())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_gid' class='method'><span id='st_gid.v' class='invisible'><code>fn <a href='#tymethod.st_gid' class='fnname'>st_gid</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u32.html">u32</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the group ID of the file owner.</p>
<h1 id="examples-6" class="section-header"><a href="#examples-6">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_gid</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_gid())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_rdev' class='method'><span id='st_rdev.v' class='invisible'><code>fn <a href='#tymethod.st_rdev' class='fnname'>st_rdev</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the device ID that this file represents. Only relevant for special file.</p>
<h1 id="examples-7" class="section-header"><a href="#examples-7">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_rdev</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_rdev())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_size' class='method'><span id='st_size.v' class='invisible'><code>fn <a href='#tymethod.st_size' class='fnname'>st_size</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the size of the file (if it is a regular file or a symbolic link) in bytes.</p>
<p>The size of a symbolic link is the length of the pathname it contains,
without a terminating null byte.</p>
<h1 id="examples-8" class="section-header"><a href="#examples-8">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_size</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_size())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_atime' class='method'><span id='st_atime.v' class='invisible'><code>fn <a href='#tymethod.st_atime' class='fnname'>st_atime</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.i64.html">i64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the last access time.</p>
<h1 id="examples-9" class="section-header"><a href="#examples-9">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_atime</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_atime())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_atime_nsec' class='method'><span id='st_atime_nsec.v' class='invisible'><code>fn <a href='#tymethod.st_atime_nsec' class='fnname'>st_atime_nsec</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.i64.html">i64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the last access time, nano seconds part.</p>
<h1 id="examples-10" class="section-header"><a href="#examples-10">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_atime_nsec</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_atime_nsec())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_mtime' class='method'><span id='st_mtime.v' class='invisible'><code>fn <a href='#tymethod.st_mtime' class='fnname'>st_mtime</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.i64.html">i64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the last modification time.</p>
<h1 id="examples-11" class="section-header"><a href="#examples-11">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_mtime</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_mtime())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_mtime_nsec' class='method'><span id='st_mtime_nsec.v' class='invisible'><code>fn <a href='#tymethod.st_mtime_nsec' class='fnname'>st_mtime_nsec</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.i64.html">i64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the last modification time, nano seconds part.</p>
<h1 id="examples-12" class="section-header"><a href="#examples-12">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_mtime_nsec</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_mtime_nsec())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_ctime' class='method'><span id='st_ctime.v' class='invisible'><code>fn <a href='#tymethod.st_ctime' class='fnname'>st_ctime</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.i64.html">i64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the last status change time.</p>
<h1 id="examples-13" class="section-header"><a href="#examples-13">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_ctime</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_ctime())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_ctime_nsec' class='method'><span id='st_ctime_nsec.v' class='invisible'><code>fn <a href='#tymethod.st_ctime_nsec' class='fnname'>st_ctime_nsec</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.i64.html">i64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the last status change time, nano seconds part.</p>
<h1 id="examples-14" class="section-header"><a href="#examples-14">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_ctime_nsec</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_ctime_nsec())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_blksize' class='method'><span id='st_blksize.v' class='invisible'><code>fn <a href='#tymethod.st_blksize' class='fnname'>st_blksize</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the &quot;preferred&quot; blocksize for efficient filesystem I/O.</p>
<h1 id="examples-15" class="section-header"><a href="#examples-15">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_blksize</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_blksize())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div><h3 id='tymethod.st_blocks' class='method'><span id='st_blocks.v' class='invisible'><code>fn <a href='#tymethod.st_blocks' class='fnname'>st_blocks</a>(&amp;self) -&gt; <a class="primitive" href="../../../primitive.u64.html">u64</a></code><div class='since' title='Stable since Rust version 1.8.0'>1.8.0</div></span></h3><div class='stability'><div class='stab portability'>This is supported on <strong>Linux</strong> only.</div></div><div class='docblock'><p>Returns the number of blocks allocated to the file, 512-byte units.</p>
<h1 id="examples-16" class="section-header"><a href="#examples-16">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fs</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">linux</span>::<span class="ident">fs</span>::<span class="ident">MetadataExt</span>;

<span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-&gt;</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
    <span class="kw">let</span> <span class="ident">meta</span> <span class="op">=</span> <span class="ident">fs</span>::<span class="ident">metadata</span>(<span class="string">&quot;some_file&quot;</span>)<span class="question-mark">?</span>;
    <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;{}&quot;</span>, <span class="ident">meta</span>.<span class="ident">st_blocks</span>());
    <span class="prelude-val">Ok</span>(())
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Ause%20std%3A%3Afs%3B%0Ause%20std%3A%3Aio%3B%0Ause%20std%3A%3Aos%3A%3Alinux%3A%3Afs%3A%3AMetadataExt%3B%0A%0Afn%20main()%20-%3E%20io%3A%3AResult%3C()%3E%20%7B%0A%20%20%20%20let%20meta%20%3D%20fs%3A%3Ametadata(%22some_file%22)%3F%3B%0A%20%20%20%20println!(%22%7B%7D%22%2C%20meta.st_blocks())%3B%0A%20%20%20%20Ok(())%0A%7D">Run</a></pre>
</div></div>
        <h2 id='implementors' class='small-section-header'>
          Implementors<a href='#implementors' class='anchor'></a>
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        <ul class='item-list' id='implementors-list'>
    <li><table class='table-display'><tbody><tr><td><code>impl MetadataExt for <a class="struct" href="../../../../std/fs/struct.Metadata.html" title="struct std::fs::Metadata">Metadata</a></code><td><div class='out-of-band'><a class='srclink' href='../../../../src/std/os/linux/fs.rs.html#333-389' title='goto source code'>[src]</a></div></td></tr></tbody></table></li>
</ul><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
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