preface

An opinionated library for function programming (à La Haskell)
IN THIS PACKAGE
Parameter #2 Preface_make . Closed . Composition . G

Type

type ('a, 'b) t

The type held by the Closed Profunctor.

Functions

Type

Functions

val dimap : ( 'a -> 'b ) -> ( 'c -> 'd ) -> ( 'b, 'c ) t -> ( 'a, 'd ) t
val contramap_fst : ( 'a -> 'b ) -> ( 'b, 'c ) t -> ( 'a, 'c ) t

Contramapping over the first argument.

val map_snd : ( 'b -> 'c ) -> ( 'a, 'b ) t -> ( 'a, 'c ) t

Mapping over the second argument.

val closed : ( 'a, 'b ) t -> ( 'c -> 'a, 'c -> 'b ) t

Act on the input type of a function.

val curry : ( 'a * 'b, 'c ) t -> ( 'a, 'b -> 'c ) t

Transform an uncurried function into a curried one.