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在另一个问题中,我最终得到了 type 的值A => => B。这是什么意思?
A => => B
我一直被引导理解这=> A实际上不是一种类型,而是一种可以声明参数以使用按名称调用语义的方式。但如果它不是一个类型,那是什么A => => B意思呢?
=> A