inout 和 mutating 的区别有哪些？

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1 replies • 2014-08-07 10:32:41 +08:00

palxex

Aug 7, 2014

你应该问共通性在哪里吧。在swift里inout只能用于形参声明，mutating只能用于函数声明，完全没有交集啊。