https://ruby-china.org/miantuan en-us <pre class="highlight ruby"><code><span class="n">a</span><span class="o">=</span><span class="mi">2</span><span class="o">**</span><span class="mi">1000</span> <span class="n">b</span><span class="o">=</span><span class="no">Math</span><span class="o">::</span><span class="no">PI</span> <span class="nb">p</span> <span class="n">a</span> <span class="nb">p</span> <span class="n">a</span><span class="p">.</span><span class="nf">class</span> <span class="nb">p</span> <span class="n">b</span> <span class="nb">p</span> <span class="n">b</span><span class="p">.</span><span class="nf">class</span> </code></pre> <p>======================</p> <p>输出如下 </p> <pre class="highlight ruby"><code><span class="mi">10715086071862673209484250490600018105614048117055336074437503883703510511249361224931983788156958581275946729175531468251871452856923140435984577574698574803934567774824230985421074605062371141877954182153046474983581941267398767559165543946077062914571196477686542167660429831652624386837205668069376</span> <span class="no">Integer</span> <span class="mf">3.141592653589793</span> <span class="no">Float</span> </code></pre> <p>======================</p> <p>我的问题： 对于 ruby 基础教程第 5 版本 说 a.class 应该返回 Fixnum 啊</p> <p>我这里为什么不是？总是给我他的父级 integer。</p> miantuan Tue, 05 May 2020 13:30:00 +0800 https://ruby-china.org/topics/39830 https://ruby-china.org/topics/39830