mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-05-18 02:00:20 +02:00
358663caf5
* doc/ref/Makefile.am (guile_TEXINFOS): Add `match.texi'. * doc/ref/guile.texi (Guile Modules): Include `match.texi'. * doc/ref/match.texi: New file. * doc/ref/sxml-match.texi (sxml-match): Add xref to `match.texi'. * module/ice-9/match.scm: Note lack of support for `(pat => exp)'.
38 lines
1.5 KiB
Scheme
38 lines
1.5 KiB
Scheme
;;; -*- mode: scheme; coding: utf-8; -*-
|
|
;;;
|
|
;;; 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 (ice-9 match)
|
|
#:export (match
|
|
match-lambda
|
|
match-lambda*
|
|
match-let
|
|
match-let*
|
|
match-letrec))
|
|
|
|
(define (error _ msg)
|
|
;; Error procedure for run-time "no matching pattern" errors.
|
|
(throw 'match-error "match" msg))
|
|
|
|
;; Compared to Andrew K. Wright's `match', this one lacks `match-define',
|
|
;; `match:error-control', `match:set-error-control', `match:error',
|
|
;; `match:set-error', and all structure-related procedures. Also,
|
|
;; `match' doesn't support clauses of the form `(pat => exp)'.
|
|
|
|
;; Unmodified public domain code by Alex Shinn retrieved from
|
|
;; <http://synthcode.com/scheme/match.scm>.
|
|
(include-from-path "ice-9/match.upstream.scm")
|