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[simantics/platform.git] / bundles / org.simantics.databoard / src / org / simantics / databoard / parser / ast / value / AstNull.java
1 /*******************************************************************************\r
2  *  Copyright (c) 2010 Association for Decentralized Information Management in\r
3  *  Industry THTH ry.\r
4  *  All rights reserved. This program and the accompanying materials\r
5  *  are made available under the terms of the Eclipse Public License v1.0\r
6  *  which accompanies this distribution, and is available at\r
7  *  http://www.eclipse.org/legal/epl-v10.html\r
8  *\r
9  *  Contributors:\r
10  *      VTT Technical Research Centre of Finland - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.databoard.parser.ast.value;
13
14 import org.simantics.databoard.parser.ast.value.visitor.AstValueVisitor;\r
15 import org.simantics.databoard.parser.ast.value.visitor.AstValueVisitorVoid;\r
16
17 public enum AstNull implements AstValue {
18         NULL;
19         
20         @Override
21         public <T> T accept(AstValueVisitor<T> v) {
22                 return v.visit(this);
23         }
24
25         @Override
26         public void accept(AstValueVisitorVoid v) {
27                 v.visit(this);
28         }       
29 }