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Re: Optional methods

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Re: Optional methods

Subject: Re: Optional methods
From: Quincey Morris <email@hidden>
Date: Thu, 21 Feb 2008 09:35:04 -0800


On Feb 21, 2008, at 07:57, Mike R. Manzano wrote:

I'd like to create an informal protocol where objects can have an optional method. Senders of the object would be required to send respondsToSelector: to find out if am object implements the method before calling it.

The problem is that the compiler complains that the method doesn't exist if a sender actually does send that message to an object.

You can't use performSelector (or NSInvocation, at worst) to invoke the method?


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  >Optional methods (From: "Mike R. Manzano" <email@hidden>)




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