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stephsharp/ViewController.h

Last active December 21, 2015 10:09
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Insert an object into a property of type NSArray by creating a mutable copy.
Raw
ViewController.h
@property (nonatomic, retain) NSArray * pins;
Raw
ViewController.m
-(void)insertPin:(PinViewController *)pin
{
NSMutableArray * mutablePinsArray = [self.pins mutableCopy];
[mutablePinsArray addObject:pin];
self.pins = mutablePinsArray;
}
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