/usr/lib/ocaml/ocamlbricks/either.mli is in libocamlbricks-ocaml-dev 0.90+bzr367-1build1.
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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 45 46 47 48 49 50 51 52 53 | (* This file is part of our reusable OCaml BRICKS library
Copyright (C) 2012 Jean-Vincent Loddo
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. *)
(** Operations on type [('a,'b) Either.t]. *)
type ('a,'b) t = Left of 'a | Right of 'b
type ('a,'b) either = ('a,'b) t
(** Extract the encapsulated value. If the argument is [Left a], the optional [?fallback] is called on the value [a].
By default [fallback] is set to [fun _ -> failwith "Either.extract"].*)
val extract : ?failwith_msg:string -> ?fallback:('a -> 'b) -> ('a,'b) t -> 'b
val extract_or : ('a,'b) t -> 'b -> 'b
val extract_or_force : ('a,'b) t-> 'b Lazy.t -> 'b
val extract_from_list : ?acc:'b list -> ('a,'b) t list -> 'b list
(* Raise Invalid_argument *)
val get_left : ('a,'b) t -> 'a
val get_right : ('a,'b) t -> 'b
(* Injections: *)
val left : 'a -> ('a,'b) t
val right : 'b -> ('a,'b) t
val iter : ('b -> unit) -> ('a,'b) t -> unit
val map : ('b -> 'c) -> ('a,'b) t -> ('a,'c) t
val bind : ('a,'b) t -> ('b -> ('a,'c) t) -> ('a,'c) t
val return : 'b -> ('a,'b) t
val apply_or_catch : ('a -> 'b) -> 'a -> (exn, 'b) t
val of_bool : bool -> (unit, unit) t
val to_bool : ('a,'b) t -> bool
val list_of : ('a,'b) t -> 'b list
val to_string : ?a:('a -> string) -> ?b:('b -> string) -> ('a, 'b) t -> string
module Bifunctor : sig
val map : ('a0 -> 'a1) -> ('b0 -> 'b1) -> ('a0,'b0) t -> ('a1,'b1) t
end
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