package preface

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Module `Closed.Via`

module Core : Preface_specs.Closed.CORE

module Operation : Preface_specs.Closed.OPERATION with type ('a, 'b) t = ('a, 'b) Core.t

type ('a, 'b) t = ('a, 'b) Operation.t

The type held by the Closed Profunctor.

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.