CODEWITHSUNDEEP
objective-ccompatibility
LettersBa
LettersBa

Reputation: 767

@compatibility_alias can call instance methods?

I'm doing some tests with @compatibility_alias, and realized that:

With it we can change the name of our class, but compensating you can only access static methods (+).

My doubt is: @compatibility_alias can access instance methods (-)? or it is restricted only static methods (+)?

Upvotes: 0

Views: 175

Answers (1)

CRD
CRD

Reputation: 53010

You don't access instance methods using a class name, but using an instance. So for example with:

@compatibility_alias BaArray NSMutableArray

there is no more need to access addObject: via BaArray than there is via NSMutableArray. The above can be used as:

BaArray *ba = [BaArray new];  // allocates an NSMutableArray
[ba addObject:@42];           // adds an object to the NSMutableArray

The instance method call does not mention BaArray or NSMutableArray.

Note: this feature is not designed to "change the name of our class", but for situations where a class name has changed and there is a desire to use existing source which contains the old name.

HTH

Upvotes: 3

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