package stdune

  1. Overview
  2. Docs
package stdune
Legend:
Library
Module
Module type
Parameter
Class
Class type

The left-to-right function composition monoid, where the argument is first passed to the leftmost function:

  • empty = fun x -> x
  • combine f g = fun x -> g (f x)

Parameters

module A : sig ... end

Signature

type t = A.t -> A.t
val empty : t

Must be the identity of combine:

  • combine empty t = t
  • combine t empty = t
val combine : t -> t -> t

Must be associative:

  • combine a (combine b c) = combine (combine a b) c
module O : sig ... end
val reduce : t list -> t
val map_reduce : f:('a -> t) -> 'a list -> t
OCaml

Innovation. Community. Security.

GitHub Discord Twitter Peertube RSS
About
Changelog Releases Industrial Users Academic Users Why OCaml
Ecosystem
Packages Community Events Blog 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