You can go unnamed for all your arguments, no need to feel the first one is being left out. [object method:1 :2 :3] is valid. =) On the other hand, Objective-C

You can go unnamed for all your arguments, no need to feel the first one is being left out. [object method:1 :2 :3] is valid. =) On the other hand, Objective-C encourages verbosity, and in well-defined methods, I have a hard time considering calling the first argument unnamed.