[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


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