练习41: 来自 Percal 25 号行星的哥顿人(Gothons)–笨方法学ruby在线

你在上一节中发现 Hash 的秘密功能了吗？你可以解释给自己吗？让我来给你解释一下，顺便和你自己的理解对比看有什么不同。这里是我们要讨论的代码：

cities<span class="o">[</span>:find<span class="o">]</span> <span class="o">=</span> method<span class="o">(</span>:find_city<span class="o">)</span> puts cities<span class="o">[</span>:find<span class="o">]</span>.call<span class="o">(</span>cities, state<span class="o">)</span>

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cities<span class="o">[</span>:find<span class="o">]</span> <span class="o">=</span> method<span class="o">(</span>:find_city<span class="o">)</span> puts cities<span class="o">[</span>:find<span class="o">]</span>.call<span class="o">(</span>cities, state<span class="o">)</span>

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