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<div class="section" id="rpop-key">
<span id="rpop"></span><h1>RPOP key<a class="headerlink" href="#rpop-key" title="Permalink to this headline">¶</a></h1>
<blockquote>
<div><div class="line-block">
<div class="line">可用版本： >= 1.0.0</div>
<div class="line">时间复杂度： O(1)</div>
</div>
</div></blockquote>
<p>移除并返回列表 <code class="docutils literal"><span class="pre">key</span></code> 的尾元素。</p>
<div class="section" id="id1">
<h2>返回值<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h2>
<p>列表的尾元素。
当 <code class="docutils literal"><span class="pre">key</span></code> 不存在时，返回 <code class="docutils literal"><span class="pre">nil</span></code> 。</p>
</div>
<div class="section" id="id2">
<h2>代码示例<a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h2>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">redis</span><span class="o">></span> <span class="n">RPUSH</span> <span class="n">mylist</span> <span class="s2">"one"</span>
<span class="p">(</span><span class="n">integer</span><span class="p">)</span> <span class="mi">1</span>
<span class="n">redis</span><span class="o">></span> <span class="n">RPUSH</span> <span class="n">mylist</span> <span class="s2">"two"</span>
<span class="p">(</span><span class="n">integer</span><span class="p">)</span> <span class="mi">2</span>
<span class="n">redis</span><span class="o">></span> <span class="n">RPUSH</span> <span class="n">mylist</span> <span class="s2">"three"</span>
<span class="p">(</span><span class="n">integer</span><span class="p">)</span> <span class="mi">3</span>
<span class="n">redis</span><span class="o">></span> <span class="n">RPOP</span> <span class="n">mylist</span> <span class="c1"># 返回被弹出的元素</span>
<span class="s2">"three"</span>
<span class="n">redis</span><span class="o">></span> <span class="n">LRANGE</span> <span class="n">mylist</span> <span class="mi">0</span> <span class="o">-</span><span class="mi">1</span> <span class="c1"># 列表剩下的元素</span>
<span class="mi">1</span><span class="p">)</span> <span class="s2">"one"</span>
<span class="mi">2</span><span class="p">)</span> <span class="s2">"two"</span>
</pre></div>
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