Question

I want to define a constant in my .m file. I can see two options here:

static NSString *const kMyLabel = @"myLabel";

#define kMyLabel @"myLabel"

Which one is the best? Is there any issues with using static here?

Answer 1

The only difference is that you can take the address of the variable, while you cannot take the address of a constant string expression (which is what the macro reduces to). I prefer to avoid #defines when possible, so I’d go with the former, but that’s just a matter of style.