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objective-carraysprimitive

objective-c primitive arrays

I want to have a mutable array with primitives in obj-c (selectors). What's the recommended way to do this? NSArray and those can only hold objects.

Solution

  • You should use an NSValue to wrap the selector or any other primitive type you need. In Cocoa SEL is some kind of pointer, so you can use [NSValue valueWithPointer:whatever] to construct it and [value pointerValue] to get it out. Or, in general you can use [NSValue valueWithBytes:&whatever objCType:@encode(SEL)]; this works for any type.