Core_via_map_and_join (preface.Preface_make.Indexed_bind.Core_via_map_and

Parameters

module Req : Preface_specs.Indexed_bind.WITH_MAP_AND_JOIN

type ('a, 'index) t = ('a, 'index) Req.t

The type held by the Indexed Bind.

val bind : ('a -> ('b, 'index) t) -> ('a, 'index) t -> ('b, 'index) t

bind f m passes the result of computation m to function f.

val map : ('a -> 'b) -> ('a, 'index) t -> ('b, 'index) t

Mapping over from 'a to 'b.

val join : (('a, 'index) t, 'index) t -> ('a, 'index) t

join remove one level of monadic structure, projecting its bound argument into the outer level.

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

Composing monadic functions using Kleisli Arrow (from left to right).