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willDealloc中延迟执行的GCD中对weak Self为什么要使用strongSelf？ #133

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yangguanghei opened this issue Oct 31, 2022 · 0 comments
Open

willDealloc中延迟执行的GCD中对weak Self为什么要使用strongSelf？ #133

yangguanghei opened this issue Oct 31, 2022 · 0 comments

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@yangguanghei
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  1. __strong id strongSelf = weakSelf;的意义是什么？
  2. __strong id strongSelf = weakSelf;和__strong typeof(weakSelf) self = weakSelf;还不太一样，后者在GCD之后对weakSelf解除强引用，前者在GCD之前就不对weakSelf进行强引用了。
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