module Pandora.Pattern.Functor.Pointable where import Pandora.Core.Functor (type (|->)) import Pandora.Core.Morphism ((!)) import Pandora.Pattern.Functor.Covariant (Covariant) class Covariant t => Pointable t where {-# MINIMAL point #-} point :: a |-> t instance Pointable ((->) e) where point = (!)