@jdegoes I'm all in favor of requiring laws for typeclasses. In fact, I think that single-function TCs should be disallowed.
@nuttycom depends what you mean by equality. What are you proposing to do with fmap?
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@dibblego Seems like that to state its laws, you need forall a . Eq (f a) ... or something. Not sure how to express this idea.Thanks. Twitter will use this to make your timeline better. UndoUndo
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