https://ruby-china.org/franklinyu en-us <p>Ruby 2.7 中即將加入新特性：<a href="https://bugs.ruby-lang.org/issues/15799" rel="nofollow" target="_blank" title="">管道算符（pipe operator）</a>。Ruby 2.6：</p> <pre class="highlight ruby"><code><span class="n">scrap</span><span class="p">.</span><span class="nf">parse_document</span><span class="p">.</span><span class="nf">load_http</span><span class="p">(</span><span class="s2">"http://example.com"</span><span class="p">)</span> </code></pre> <p>Ruby 2.7:</p> <pre class="highlight ruby"><code><span class="n">load_http</span><span class="p">(</span><span class="s2">"http://example.com"</span><span class="p">)</span> <span class="o">|&gt;</span> <span class="n">parse_document</span> <span class="o">|&gt;</span> <span class="n">scrap</span> </code></pre> <p>此特性早在四月份就併入了主分支；如無意外，會出現在今年聖誕的 2.7 中。Matz 也在推上<a href="https://twitter.com/yukihiro_matz/status/1139419951444271104" rel="nofollow" target="_blank" title="">徵求大家意見</a>。可以參照<a href="https://dev.to/baweaver/ruby-2-7-the-pipeline-operator-1b2d" rel="nofollow" target="_blank" title="">DEV 這個月的文章</a>。</p> <p>話說在那條推上看到了熟悉的 ID……</p> <p>注：之前使用了錯誤的例子，經評論提示後改正。謝謝！不過這樣一來這個算符更顯無用……</p> franklinyu Fri, 28 Jun 2019 11:48:04 +0800 https://ruby-china.org/topics/38759 https://ruby-china.org/topics/38759 <p>我以前一直在用 <a href="https://ruby-doc.org" rel="nofollow" target="_blank">https://ruby-doc.org</a>，直到最近才發現 <a href="https://docs.ruby-lang.org/" rel="nofollow" target="_blank">https://docs.ruby-lang.org/</a>，這個是官方的文檔麽？所以 Ruby-doc.org 并不是官方的？</p> franklinyu Wed, 29 May 2019 02:03:47 +0800 https://ruby-china.org/topics/38585 https://ruby-china.org/topics/38585