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Java > Open Source Codes > org > armedbear > lisp > stream_external_format


1 /*
2  * stream_external_format.java
3  *
4  * Copyright (C) 2004 Peter Graves
5  * $Id: stream_external_format.java,v 1.1 2004/01/28 19:48:38 piso Exp $
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20  */

21
22 package org.armedbear.lisp;
23
24 // ### stream-external-format
25
public final class stream_external_format extends Primitive1
26 {
27     private stream_external_format()
28     {
29         super("stream-external-format", "stream");
30     }
31
32     public LispObject execute(LispObject arg) throws ConditionThrowable
33     {
34         if (arg instanceof Stream)
35             return Keyword.DEFAULT;
36         else
37             return signal(new TypeError(arg, Symbol.STREAM));
38     }
39
40     private static final Primitive1 STREAM_EXTERNAL_FORMAT =
41         new stream_external_format();
42 }
43
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