You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
33 lines
768 B
33 lines
768 B
(*
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*)
|
|
|
|
module type S = sig
|
|
type 'a t
|
|
|
|
val return : 'a -> 'a t
|
|
val bind : ('a -> 'b t) -> 'a t -> 'b t
|
|
|
|
module Import : sig
|
|
val ( >>= ) : 'a t -> ('a -> 'b t) -> 'b t
|
|
val ( >>| ) : 'a t -> ('a -> 'b) -> 'b t
|
|
val ( let* ) : 'a t -> ('a -> 'b t) -> 'b t
|
|
val ( and* ) : 'a t -> 'b t -> ('a * 'b) t
|
|
val ( let+ ) : 'a t -> ('a -> 'b) -> 'b t
|
|
val ( and+ ) : 'a t -> 'b t -> ('a * 'b) t
|
|
end
|
|
end
|
|
|
|
module State (State : sig
|
|
type t
|
|
end) : sig
|
|
type state = State.t
|
|
|
|
include S with type 'a t = state -> 'a * state
|
|
|
|
val run : 'a t -> state -> 'a * state
|
|
end
|