On Oct 31, 2007, at 1:27 AM, Philip Mötteli wrote:
Has anybody found any documentation about concrete protocols? (That
was supposed to be one new feature in Objective-C 2.0.)
Protocols in Objective-C 2.0 can have methods that are marked as
@required and @optional for classes that conform to the protocol,
making them useful for describing delegate methods where protocols
weren't before.
Is this what you're referring to?
-- Chris
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