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关于返回值问题 #827

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hatjs880328s opened this issue Jun 11, 2018 · 1 comment
Open

关于返回值问题 #827

hatjs880328s opened this issue Jun 11, 2018 · 1 comment

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@hatjs880328s
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hatjs880328s commented Jun 11, 2018 •
edited

bang你好，
查看你的代码发现使用了performSelector这个函数。
请问对于那种返回基本数据类型如：INT的是如何处理的呢？
因为我在使用swift时，当方法返回值为 int时，
使用method signature 判断出它的类型是 'q'-> long long
请问你遇到过这个问题吗？
@hatjs880328s
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https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/ObjCRuntimeGuide/Articles/ocrtTypeEncodings.html#//apple_ref/doc/uid/TP40008048-CH100-SW1
这篇文当我对照了一下，double是正确的nsobj也是正确的，就INT会返回给q

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