mes/scaffold/boot/2c-define-lambda-recurse.scm
Jan Nieuwenhuizen ad135d3752 doc: Release udpate.
* HACKING: Update.
* INSTALL: Update.
* NEWS: Update.
* README: Update.
* doc/ANNOUNCE-0.12: New file.
* throughout: (janneke) coming out.
2017-11-21 19:22:26 +01:00

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1.3 KiB
Scheme

;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;;
;;; This file is part of Mes.
;;;
;;; Mes 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 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Mes 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 Mes. If not, see <http://www.gnu.org/licenses/>.
(define (foo x pair?)
(core:display "foo x=") (core:display x) (core:display "\n")
(core:display " pair?=") (core:display pair?) (core:display "\n")
(if pair? ((lambda (a d)
(cons a d))
(begin
(core:display "BEFORE x=") (core:display x) (core:display "\n")
(foo (car x) #f))
(begin
(core:display "EFTER x=") (core:display x) (core:display "\n")
(foo (cdr x) #f)))
x))
(if (null? (cdr (foo '(42) #t))) (exit 0))
(exit 1)