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/*
* Scala (https://www.scala-lang.org)
*
* Copyright EPFL and Lightbend, Inc.
*
* Licensed under Apache License 2.0
* (http://www.apache.org/licenses/LICENSE-2.0).
*
* See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
package scala.collection.concurrent;
import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
abstract class INodeBase extends BasicNode {
@SuppressWarnings("unchecked")
public static final AtomicReferenceFieldUpdater, MainNode> updater =
AtomicReferenceFieldUpdater.newUpdater((Class>) (Class) INodeBase.class, (Class>) (Class) MainNode.class, "mainnode");
static final Object RESTART = new Object();
static final Object NO_SUCH_ELEMENT_SENTINEL = new Object();
public volatile MainNode mainnode = null;
public final Gen gen;
public INodeBase(Gen generation) {
gen = generation;
}
public BasicNode prev() {
return null;
}
}