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(****************************************************************************)
(* *)
(* OCaml *)
(* *)
(* INRIA Rocquencourt *)
(* *)
(* Copyright 2007 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed under *)
(* the terms of the GNU Library General Public License, with the special *)
(* exception on linking described in LICENSE at the top of the OCaml *)
(* source tree. *)
(* *)
(****************************************************************************)
(* DEFINE F(x, y, z) = x + y * z;; *)
(* F(F(1, 2, 3), 4, 5);; *)
(* !+ (1, 2, 3, 4);; *)
(* foldl(( + ), 1, 2, 3, 4);; *)
(* foldr(cons, 1, 2, 3, []);; *)
let cons x xs = x :: xs;;
def_foldl ( !+ ) ( + );;
def_foldr ( !:: ) cons;;
!+ (1, 2, 3, 4);;
!:: (1, 2, 3, []);;
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