Mar 15, 2016
NSObject+PerformIfResponds
seen from China
seen from United States
seen from China
seen from Cambodia
seen from Spain
seen from Türkiye
seen from United States
seen from Germany
seen from United Kingdom
seen from United States
seen from United Kingdom
seen from Romania
seen from Kosovo
seen from Italy
seen from Türkiye
seen from Singapore
seen from China
seen from Slovenia
seen from United Kingdom
seen from Netherlands
NSObject+PerformIfResponds
I found out the same thing, while reading Effective Objective C 2.0