可以使用CFGetRetainCount在ARC下获取对象的引用计数值:
NSLog(@"Retain count is %ld", CFGetRetainCount((__bridge CFTypeRef)myObject));
可以使用CFGetRetainCount在ARC下获取对象的引用计数值:
NSLog(@"Retain count is %ld", CFGetRetainCount((__bridge CFTypeRef)myObject));
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