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函数respondsToSelector的使用 | 东隅已逝/桑榆非晚 #38

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h1z3y3 opened this issue Apr 23, 2021 · 0 comments

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Gitalk /posts/how-to-use-founction-respondstoselector/

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h1z3y3 commented Apr 23, 2021

https://h1z3y3.me/posts/how-to-use-founction-respondstoselector/

-(BOOL)respondsToSelector: selector //用来判断是否有以某个名字命名的方法（被封装在一个selector的对象里传递）
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h1z3y3 added Gitalk /posts/how-to-use-founction-respondstoselector/ labels

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