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Explicit definitions for memp' and assp' in `(rnrs list)'; the predicate

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argument to Guile's `member' and `assoc' functions has a different expected
arity.

* module/rnrs/lists.scm (memp, assp): Wrap the predicate function with a
  two-argument wrapper before calling Guile's underlying implemenation.
* test-suite/Makefile.am: Add test-suite/tests/r6rs-lists.test to
  SCM_TESTS.
* test-suite/tests/r6rs-lists.test: New file.
This commit is contained in:
Julian Graham 2010-08-08 20:23:14 -04:00
parent b24b7deb00
commit 802b47bdc6
3 changed files with 35 additions and 2 deletions
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4
module/rnrs/lists.scm
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@ -44,6 +44,6 @@
(define (remv obj list) (remp (lambda (elt) (eqv? obj elt)) list))
(define (remq obj list) (remp (lambda (elt) (eq? obj elt)) list))
(define (memp pred list) (memp-internal #f list pred))
(define (assp pred list) (assp-internal #f list pred))
(define (memp pred list) (memp-internal #f list (lambda (x y) (pred y))))
(define (assp pred list) (assp-internal #f list (lambda (x y) (pred y))))
)

1
test-suite/Makefile.am
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@ -88,6 +88,7 @@ SCM_TESTS = tests/00-initial-env.test \
tests/r6rs-exceptions.test \
tests/r6rs-files.test \
tests/r6rs-hashtables.test \
tests/r6rs-lists.test \
tests/r6rs-ports.test \
tests/r6rs-records-inspection.test \
tests/r6rs-records-procedural.test \

32
test-suite/tests/r6rs-lists.test Normal file
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@ -0,0 +1,32 @@
;;; r6rs-lists.test --- Test suite for R6RS (rnrs lists)
;; Copyright (C) 2010 Free Software Foundation, Inc.
;;
;; This library is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public
;; License as published by the Free Software Foundation; either
;; version 3 of the License, or (at your option) any later version.
;;
;; This library 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
;; Lesser General Public License for more details.
;;
;; You should have received a copy of the GNU Lesser General Public
;; License along with this library; if not, write to the Free Software
;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
(define-module (test-suite test-r6rs-lists)
:use-module ((rnrs lists) :version (6))
:use-module (test-suite lib))
(with-test-prefix "memp"
(pass-if "memp simple"
(equal? (memp even? '(3 1 4 1 5 9 2 6 5)) '(4 1 5 9 2 6 5))))
(with-test-prefix "assp"
(pass-if "assp simple"
(let ((d '((3 a) (1 b) (4 c))))
(equal? (assp even? d) '(4 c)))))