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(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* The OCaml programmers *)
(* *)
(* Copyright 2024 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
type ('a, 'b) t = 'a * 'b
let make a b = (a, b)
let fst (a, _) = a
let snd (_, b) = b
let swap (a, b) = (b, a)
let fold f (a, b) = f a b
let map f g (a, b) = (f a, g b)
let iter f g (a, b) = f a; g b
let map_fst f (a, b) = (f a, b)
let map_snd g (a, b) = (a, g b)
let equal eqa eqb (a, b) (a', b') =
eqa a a' && eqb b b'
let compare cmpa cmpb (a, b) (a', b') =
let c = cmpa a a' in
if c <> 0 then c
else cmpb b b'
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