On Nov 27, 2008, at 7:24 PM, Graham Cox wrote:
Yep, that's a potentially more serious issue. It would be nice if a category had a way to check for an existing implementation and quietly no-op itself. Just checking respondsToSelector: doesn't work of course, always returning YES.
Build your category methods into a loadable bundle. Check with respondsToSelector:, and if it returns NO, load the bundle.
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