Via_dimap_and_snd.Req
type ('a, 'b) t
The type held by the Strong Profunctor.
Strong Profunctor
val dimap : ('a -> 'b) -> ('c -> 'd) -> ('b, 'c) t -> ('a, 'd) t
val snd : ('b, 'c) t -> ('a * 'b, 'a * 'c) t
Act on the second parameter of the product.