ChenYilong / ChenYilong/iOSInterviewQuestions

第52题 IBOutlet连出来的视图属性为什么可以被设置成weak?

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Description

最好能在后面加上: 如非必要,应该把`IBOutlet`属性设为`strong`, 尤其是当属性连接的subview或者constraints 并不总是被视图retain。只有当这个属性连接的是superview才需要设为`weak`来避免循环引用。

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