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Merge pull request #278 from eclipse/cd_eclipse_issue153

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Introduce Nullable Annotation
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Christian Dietrich 2017-02-14 11:34:56 +01:00 committed by GitHub
commit 7618b7cd1b
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org.eclipse.xtext.util/src/org/eclipse/xtext/util/internal/Nullable.java Normal file
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/*******************************************************************************
* Copyright (c) 2017 itemis AG (http://www.itemis.eu) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.xtext.util.internal;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* This annotation is <b>not</b> intended to be used to do <b>null analysis</b>.
* The only purpose is to allow Google Guice to inject <code>@Inject(optional=true)</code> places with <code>null</code> instances.
*
* @author Christian Dietrich - Initial contribution and API
*
* @since 2.12
*/
@Retention(RetentionPolicy.RUNTIME)
public @interface Nullable {
}