https://ruby-china.org/y1feng200156 en-us <pre class="highlight ruby"><code><span class="n">arr</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'a'</span><span class="o">..</span><span class="s1">'z'</span><span class="p">).</span><span class="nf">to_a</span> <span class="n">arr</span><span class="p">.</span><span class="nf">each</span> <span class="p">{</span> <span class="n">arr</span> <span class="o">&lt;&lt;</span> <span class="n">arr</span><span class="p">.</span><span class="nf">shift</span> <span class="p">}</span> </code></pre> <p>这样为什么没有死循环啊？</p> y1feng200156 Tue, 06 Dec 2016 21:32:05 +0800 https://ruby-china.org/topics/31818 https://ruby-china.org/topics/31818