On May 24, 2012, at 4:15 AM, Gerriet M. Denkmann wrote:

> How do I avoid duplicating method implementations using a protocol?

You don't, other than by using techniques like the ones I described. Protocols 
are just for the convenience (and type-safety) of the _users_ of a class; they 
don't really simplify the implementation.

—Jens
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