国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂

Object declared as

@interface MyClass : NSObject
@property (atomic, copy) NSMutableString *name;
@end

is defined as

@implementation MyClass
@synthesize name;
@end

Call

MyClass *m = [[MyClass alloc] init];
NSMutableString *s = [[NSMutableString alloc] initWithString:@"Hello"];
[m setName:s];
NSLog(@"%p", [m name]);
NSLog(@"%p", [m name]);
NSLog(@"%p", [m name]);

If the object returned by copy each time is a deep copy of the variable string, why are the printed addresses the same?