使用NSArray的扩展方法使数组中对象执行相同的函数

原創 hfdwdjl 2020-02-23 16:57
  1. - (void)makeObjectsPerformSelector:(SEL)aSelector;
  2. - (void)makeObjectsPerformSelector:(SEL)aSelector withObject:(id)argument;

这两个方法代替for in，让数组中的各个对象依次执行相同的函数，可以在一定程度上减少代码量。

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