Created
July 21, 2019 09:14
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isKindOfClass implement
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| - (BOOL)isKindOfClass:(Class)cls { | |
| for (Class tcls = [self class]; tcls; tcls = tcls->superclass) { | |
| if (tcls == cls) return YES; | |
| } | |
| return NO; | |
| } |
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