package travesty

You can search for identifiers within the package.

in-package search v0.2.0

Monadically traversable containers

Install

sha256=6096bfedbab2044c6372c918712bc5e71ffba5a373cdab37398787712c9c83af

sha512=a7a1cd7981af2c16111323cdf72ac6a45a5e58a3701376fdb3d7f3ee15fbf4003e71f94ad882ccea0d308bb229f3ac0b2c9861a231a498c22e44551f1fcf802d

An expanded version of Core_kernel's pair (2-tuple) module.

This module expands and merges both Core_kernel.Tuple2 and Base_exts.Tuple2.

This expanded overlay contains a bi-mappable implementation for pairs

Sourcetype ('l, 'r) t = 'l * 'r

Type of 2-tuples.

Pairs are trivially bi-mappable; the left type is fst, and the right type is snd. For example:

  bi_map ("foo", 27) ~left:String.capitalize ~right:Int.neg
  (* returns: ("Foo", -27) *)

include Travesty.Bi_mappable.S2 with type ('l, 'r) t := ('l, 'r) t

Type of containers.

include Base.T2 with type ('l, 'r) t := ('l, 'r) t

include Travesty.Bi_mappable.Generic
  with type ('l, 'r) t := ('l, 'r) t
   and type 'l left := 'l
   and type 'r right := 'r

include Travesty.Bi_mappable.Basic_generic
  with type ('l, 'r) t := ('l, 'r) t
  with type 'l left := 'l
  with type 'r right := 'r

include Travesty.Types_intf.Bi_generic
  with type ('l, 'r) t := ('l, 'r) t
  with type 'l left := 'l
  with type 'r right := 'r

val bi_map : 
  ('l1, 'r1) t ->
  left:('l1 -> 'l2) ->
  right:('r1 -> 'r2) ->
  ('l2, 'r2) t

bi_map c ~left ~right maps left over every 'l1 left, and right over every 'r1 right, in c.

Sourceval map_left : ('l1, 'r) t -> f:('l1 -> 'l2) -> ('l2, 'r) t

map_left c ~f maps f over the left type of c only.

Sourceval map_right : ('l, 'r1) t -> f:('r1 -> 'r2) -> ('l, 'r2) t

map_right c ~f maps f over the right type of c only.