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December 21, 2015 04:19
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NSObject category based on wil shipleys classic isEmpty code. very handy.
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| #import "NSObject+IsEmpty.h" | |
| @implementation NSObject (IsEmpty) | |
| - (BOOL)isEmpty | |
| { | |
| return self == nil | |
| || (self == [NSNull null]) | |
| || ([self respondsToSelector:@selector(length)] | |
| && [(NSData *) self length] == 0) | |
| || ([self respondsToSelector:@selector(count)] | |
| && [(NSArray *) self count] == 0); | |
| } | |
| @end |
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