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Scala example source code file (IterableForwarder.scala)

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

Java - Scala tags/keywords

a, boolean, boolean, geniterable, geniterable, iterable, iterable, iterableforwarder, iterableforwarder, iterator, traversableforwarder

The Scala IterableForwarder.scala source code

/*                     __                                               *\
**     ________ ___   / /  ___     Scala API                            **
**    / __/ __// _ | / /  / _ |    (c) 2003-2011, LAMP/EPFL             **
**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
** /____/\___/_/ |_/____/_/ | |                                         **
**                          |/                                          **
\*                                                                      */



package scala.collection.generic
import scala.collection._

import collection.mutable.Buffer

/** <p>
 *    This trait implements a forwarder for iterable objects. It forwards
 *    all calls to a different iterable object, except for
 *  </p>
 *  <ul>
 *    <li>toString, hashCode, equals,
 *      <code>stringPrefix
 *    <li>newBuilder, view
 *    <li>all calls creating a new iterable object of the same kind
 *  </ul>
 *  <p>
 *    The above methods are forwarded by subclass <a href="../IterableProxy.html"
 *    target="ContentFrame"><code>IterableProxy.
 *  </p>
 *
 *  @author  Martin Odersky
 *  @version 2.8
 *  @since   2.8
 */
trait IterableForwarder[+A] extends Iterable[A] with TraversableForwarder[A] {

  /** The iterable object to which calls are forwarded */
  protected def underlying: Iterable[A]
  
  // Iterable delegates
  // Iterable methods could be printed by  cat IterableLike.scala | sed -n '/trait Iterable/,$ p' | egrep '^  (override )?def'
  
  override def iterator: Iterator[A] = underlying.iterator
  override def sameElements[B >: A](that: GenIterable[B]): Boolean = underlying.sameElements(that)
}

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