sources/scala/collection/mutable/HashMap.scala


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/*                     __                                               *\
**     ________ ___   / /  ___     Scala API                            **
**    / __/ __// _ | / /  / _ |    (c) 2003, LAMP/EPFL                  **
**  __\ \/ /__/ __ |/ /__/ __ |                                         **
** /____/\___/_/ |_/____/_/ | |                                         **
**                          |/                                          **
** $Id$
\*                                                                      */

package scala.collection.mutable;

/** This class implements mutable maps using a hashtable.
 *
 *  @author  Matthias Zenger
 *  @version 1.0, 08/07/2003
 */
[serializable]
class HashMap[A, B] extends scala.collection.mutable.Map[A, B]
                    with HashTable[A]
                    with DefaultMapModel[A, B] {

    def -=(key: A): Unit = removeEntry(key);

    protected def entryKey(e: Entry) = e.key;

    override def clear = {
        initTable(table);
        tableSize = 0;
    }

    override def clone(): Map[A, B] = {
        val res = new HashMap[A, B];
        res ++= this;
        res
    }
}