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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * Copyright INRIA, CNRS and contributors *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
Require Import Uint63 PrimString ExtrOCamlPString.
Local Open Scope uint63.
Local Open Scope pstring.
Definition s1 := "hello".
Definition s2 := "wwworlddd".
Definition s := cat s1 (cat ", " (cat (sub s2 2 5) "!")).
Definition w := make (length s) "w"%char63.
Definition c := compare s w.
Recursive Extraction c.
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