CS 61 A (Part 4)

CS 61 A (Part 4)

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create new Frame: call expression

assignments create bindings, define function create bindings

有点像js中的作用域

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your parent is always wherever the function was defined

在定义的时候就决定了

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找不到的话就会报错

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hoc 闭包

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lambda定义在 一个函数中,所以p=f1

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