Talk:Class system extension proposal
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This page coves exactly what I was looking for... I am quite new to Haskell, and implementing a class which ereditates from Functor, I was quite disappinted to discover it wouldn't allow me to provide a new default implementation for fmap. In my opinion, this is a serious drawback in comparison to C++ or Java, and, this proposal is already quite old... can anyone tell me if something has been, or is intended to be, done about this subject? Thanks.