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在一个应用程序中,我发现了一个功能 - (void)performExitAnimationWithCompletionBlock:(void (^)(BOOL))block. 使用(^)的目的是什么。我想详细了解全功能的含义。
(void)performExitAnimationWithCompletionBlock:(void (^)(BOOL))block
这个符号^(插入符号)代表块操作。您可以在苹果文档中了解有关块的更多信息