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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::filesystem::path::</span>parent_path</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-filesystem.html">filesystem</a>&lrm; | <a href="cpp-filesystem-path.html">path</a></span></div>
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<div><span class="mw-geshi cpp source-cpp">path parent_path<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx17">(C++17 &#36215;)</span></td>
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<p>&#36820;&#22238;&#21040;&#20146;&#30446;&#24405;&#30340;&#36335;&#24452;&#12290;</p>
<p>&#33509; <span class="t-c"><span class="mw-geshi cpp source-cpp">has_relative_path<span class="br0">(</span><span class="br0">)</span></span></span> &#36820;&#22238; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">false</span></span></span> &#65292;&#21017;&#32467;&#26524;&#26159; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this</span></span> &#30340;&#21103;&#26412;&#12290;&#21542;&#21017;&#32467;&#26524;&#26159;&#36890;&#29992;&#26684;&#24335;&#36335;&#24452;&#21517;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="sy2">*</span>this</span></span> &#30340;&#36890;&#29992;&#36335;&#24452;&#21517;&#22312;&#20854;&#36845;&#20195;&#20013;&#20135;&#29983;&#23569;&#19968;&#20010;&#20803;&#32032;&#30340;&#26368;&#38271;&#21069;&#32512;&#12290;</p>
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<p>&#65288;&#26080;&#65289;</p>
<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#21040;&#20146;&#30446;&#24405;&#30340;&#36335;&#24452;&#12290;</p>
<h3><span class="mw-headline" id=".E5.BC.82.E5.B8.B8">&#24322;&#24120;</span></h3>
<p>&#21487;&#33021;&#25243;&#20986;&#23454;&#29616;&#23450;&#20041;&#30340;&#24322;&#24120;&#12290;</p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
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<pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;filesystem&gt;</span>
<span class="kw1">namespace</span> fs <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">filesystem</span><span class="sy4">;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw1">for</span><span class="br0">(</span>fs<span class="sy4">::</span><span class="me2">path</span> p <span class="sy4">:</span> <span class="br0">{</span><span class="st0">&quot;/var/tmp/example.txt&quot;</span>, <span class="st0">&quot;/&quot;</span>, <span class="st0">&quot;/var/tmp/.&quot;</span><span class="br0">}</span><span class="br0">)</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;The parent path of &quot;</span> <span class="sy1">&lt;&lt;</span> p
<span class="sy1">&lt;&lt;</span> <span class="st0">&quot; is &quot;</span> <span class="sy1">&lt;&lt;</span> p.<span class="me1">parent_path</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<p>&#21487;&#33021;&#30340;&#36755;&#20986;&#65306;</p>
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<pre class="de1">The parent path of &quot;/var/tmp/example.txt&quot; is &quot;/var/tmp&quot;
The parent path of &quot;/&quot; is &quot;/&quot;
The parent path of &quot;/var/tmp/.&quot; is &quot;/var/tmp&quot;</pre></div>
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