Re: question about informal protocols
Re: question about informal protocols
- Subject: Re: question about informal protocols
- From: Michael de Haan <email@hidden>
- Date: Fri, 20 Nov 2009 12:09:39 -0800
>
>
> The usual way is to NOT implements the NSObject category and test if the delegate implements the method using -respondsToSelector:
> But this way works too if you don't want to have to test before sending your message.
>
> Anyway, informal protocols are "deprecated" in favor of @protocol with @optional method.
>
>
> -- Jean-Daniel
>
>
>
>
Did not see that it was deprecated, but will take your lead and convert them to that. Does the, in your opinion, "optional" addition pretty much replace categories as a whole, or is there still a role for them?
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