package preface

  1. Overview
  2. Docs
package preface
Legend:
Page
Library
Module
Module type
Parameter
Class
Class type
Source

Source file cokleisli.ml

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
open Preface_core.Fun.Infix

module Bifunctor (C : Preface_specs.Contravariant.CORE) =
Bifunctor.Via_bimap (struct
  type ('a, 'b) t = 'a C.t -> 'b

  let bimap f g p = C.contramap f %> p %> g
end)

module Profunctor (F : Preface_specs.Functor.CORE) =
Profunctor.Via_dimap (struct
  type ('a, 'b) t = 'a F.t -> 'b

  let dimap f g p = F.map f %> p %> g
end)

module Strong (C : Preface_specs.Comonad.CORE) =
Strong.Via_dimap_and_fst (struct
  type ('a, 'b) t = 'a C.t -> 'b

  let dimap f g p = C.map f %> p %> g
  let fst f x = (f (C.map Stdlib.fst x), Stdlib.snd (C.extract x))
end)

module Closed (F : Preface_specs.Functor.CORE) =
  Closed.Over_profunctor_via_closed
    (Profunctor
       (F))
       (struct
         type ('a, 'b) t = 'a F.t -> 'b

         let closed f g x = f (F.map (fun h -> h x) g)
       end)

module Category (C : Preface_specs.Comonad.CORE) =
Category.Via_id_and_compose (struct
  type ('a, 'b) t = 'a C.t -> 'b

  let id = C.extract
  let compose f g = C.compose_left_to_right g f
end)

module Arrow (C : Preface_specs.Comonad.CORE) =
  Arrow.From_strong_and_category (Strong (C)) (Category (C))
OCaml

Innovation. Community. Security.

GitHub Discord Twitter Peertube RSS
About
Changelog Releases Industrial Users Academic Users Why OCaml
Ecosystem
Packages Community Events OCaml Planet Jobs
Resources
Install OCaml Get Started Platform Tools Language Manual Standard Library API Books Exercises Papers OCaml Playground Logo
Policies
Carbon Footprint Governance Privacy Code of Conduct