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Implementation for the R6RS (rnrs lists) library.

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* module/Makefile.am: Add module/rnrs/6/lists.scm to RNRS_SOURCES.
* module/rnrs/6/lists.scm: New file.
This commit is contained in:
Julian Graham 2010-03-19 20:03:46 -04:00
parent 55684b5e3b
commit 60b240e9ae
2 changed files with 44 additions and 3 deletions
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7
module/Makefile.am
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@ -260,14 +260,15 @@ RNRS_SOURCES = \
rnrs/6/conditions.scm \
rnrs/6/control.scm \
rnrs/6/exceptions.scm \
rnrs/6/lists.scm \
rnrs/6/syntax-case.scm \
rnrs/arithmetic/6/bitwise.scm \
rnrs/bytevector.scm \
rnrs/io/6/simple.scm \
rnrs/io/ports.scm \
rnrs/records/6/inspection.scm \
rnrs/records/6/procedural.scm \
rnrs/records/6/syntactic.scm \
rnrs/io/ports.scm \
rnrs/io/6/simple.scm
rnrs/records/6/syntactic.scm
EXTRA_DIST += scripts/ChangeLog-2008
EXTRA_DIST += scripts/README

40
module/rnrs/6/lists.scm Normal file
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@ -0,0 +1,40 @@
;;; lists.scm --- The R6RS list utilities library
;; 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
(library (rnrs lists (6))
(export find for-all exists filter partition fold-left fold-right remp remove
remv remq memp member memv memq assp assoc assv assq cons*)
(import (rnrs base (6))
(only (guile) (filter member memv memq assoc assv assq cons*))
(only (srfi srfi-1) (find partition fold-right filter-map))
(rename (srfi srfi-1) (fold fold-left)
(any exists)
(every for-all)
(remove remp)
(member memp-internal)
(assoc assp-internal)))
(define (remove obj list) (remp (lambda (elt) (equal? obj elt)) list))
(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))
)