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内存管理，weak, unowned #70

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remlostime opened this issue Feb 25, 2017 · 1 comment

remlostime commented Feb 25, 2017

这一节我感觉还需加上使用unowned的例子才能更好地理解何时用unowned。其实，这里何时用weak，何时用unowned很模糊。怎么判断self不会被释放？

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porridgec commented Sep 18, 2017

我觉得挺清晰的：

能保证closure在执行时self没被释放，放心用 unowned
不能保证，则使用 weak

那么至于判断self是否会被释放，那就是开发者自己需要斟酌的事情了

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