/* Copyright (C) 2003 Bjorn Bringert (bjorn@bringert.net) * * This program 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 2 of the License, or * (at your option) any later version. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package primitives; import env.*; import java.util.List; public class Cons extends Primitive { public Cons () { super("cons"); } public Value apply (Env env, List args) { checkArgumentCount(args, 2); return new PairValue(args.get(0), args.get(1)); } }