Make Prelude's map = fmap (Nikita Volkov)

[Gabriel Gonzalez]

+1

I'm in favor of generalizing `map`.  At first I was wary of less
monomorphic types, but now I've found that it's not that hard to just lie
and pretend the type is more specialized when teaching.  Plus, `map` is a
much nicer name than `fmap`.

Since there's been so many suggestions concerning radically changing the
> Prelude recently, I'd like to start a poll on a subject.
> I know that "map" is limited to lists for the beginners, but then we're
> already making a lot of unbeginnerish changes to Prelude. Also it's not a
> monad transformer, but just a functor - how can a person learn Haskell
> without understanding what a Functor is?
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