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Groovy example source code file (

This example Groovy source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

emptyexpression, emptyexpression, expression, expression, instance, instance

The Groovy source code

 * Copyright 2003-2007 the original author or authors.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.codehaus.groovy.ast.expr;

import org.codehaus.groovy.ast.GroovyCodeVisitor;

 * This class is a place holder for an empty expression. 
 * Empty expression are used in closures lists like (;). During
 * class Generation this expression should be either ignored or
 * replace with a null value.
 * @author Jochen Theodorou
 * @see org.codehaus.groovy.ast.stmt.EmptyStatement
public class EmptyExpression extends Expression {
    public static final EmptyExpression INSTANCE = new EmptyExpression();

    public Expression transformExpression(ExpressionTransformer transformer) {
        return this;

    public void visit(GroovyCodeVisitor visitor) {

Other Groovy examples (source code examples)

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