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joanmolinas/NSObject+AssociatedObjects.h

Created March 13, 2017 08:05
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NSObject+AssociatedObjects.h
#import <Foundation/Foundation.h>
@interface NSObject (AssociatedObjects)
- (void)associatedValue:(id)value withKey:(void *)key;
- (id)associatedValueForKey:(void *)key;
@en
Raw
NSObject+AssociatedObjects.m
#import "NSObject+AssociatedObjects.h"
#import <objc/runtime.h>
@implementation NSObject (AssociatedObjects)
- (void)associatedValue:(id)value withKey:(void *)key {
objc_setAssociatedObject(self, key, value, OBJC_ASSOCIATION_RETAIN);
}
- (id)associatedValueForKey:(void *)key {
return objc_getAssociatedObject(self, key);
}
@end
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