Partial srfi-43 support for Nyacc.

* module/srfi/srfi-43.mes: New file.

module/srfi/srfi-43.mes

@@ -0,0 +1,31 @@
+;;; -*-scheme-*-
+
+;;; Mes --- Maxwell Equations of Software
+;;; Copyright © 2016 Jan 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/>.
+
+;;; Commentary:
+
+;;; Minimal implementation of srfi-43, for nyacc.
+
+;;; Code:
+
+(define (vector-map f v)
+  (list->vector (map f (vector->list v) (iota (vector-length v)))))
+
+(define (vector-for-each f v)
+  (for-each f (vector->list v) (iota (vector-length v))))