!1067: Implement (Functor.<$) for Data.Functor.{Compose,Product,Sum} · Merge requests · Glasgow Haskell Compiler / GHC

This allows us to make use of the (<$) implementations of the underlying functors.

Edited May 29, 2019 by Simon Jakobi

Implement (Functor.<$) for Data.Functor.{Compose,Product,Sum}