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hpyhacking/gist:4376961

Created December 26, 2012 01:21
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change NSMutableArray by reference
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gistfile1.m
NSArray *ma1 = [@[@"a", @"b", @"c"] mutableCopy];
NSArray *ma2 = [@[@"a", @"b", @"c"] mutableCopy];
NSArray *array = @[ma1, ma2];
NSLog(@"orign %@", array);
[[array objectAtIndex:0] replaceObjectAtIndex:0 withObject:@"X"];
[[array objectAtIndex:1] replaceObjectAtIndex:2 withObject:@"Y"];
NSLog(@"changed %@", array);
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