[Haskell-cafe] is it possible to implement Functor for ByteString and Text

silvio silvio.frischi at gmail.com
Sun Mar 1 01:08:40 UTC 2015


Wow ConstraintKinds. There's always a new extension to be learned :)
Anyway, if changing the Functor declaration were allowed, it would
probably make more sense to use something like MonoFunctor.
Unfortunately, MPTC or type family stuff is never going to make it into
Prelude.

Silvio


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