原文:Flask 框架作者希望看到的 Python
Python 真的有这种「最大的设计错误」吗?难道 Python 设计者看不到?「槽(slots)系统」真的很糟糕吗?
虽说有语言规范,但是大多数情况下,它只是规定了解释器要做什么,甚至连这些都没有规定。
解释器把这些类型结构体直接暴露给Python代码。
<code class="python"><span class="k">class</span> <span class="nc">BigInteger</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="o">...</span>
<span class="k">def</span> <span class="nf">__add__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
<span class="k">return</span> <span class="n">BigInteger</span><span class="p">(</span><span class="n">other</span><span class="o">.</span><span class="n">Value</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">Value</span><span class="p">)</span>
<span class="o">...</span>
</code>
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