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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2009, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id: IterableProxy.scala 15458 2008-06-28 20:23:22Z stepancheg $
package scalax.collection.generic
import collection.mutable.Buffer
import collection.immutable.{List, Stream}
/** This trait implements a forwarder for iterable objects. It forwards
* all calls to a different iterable object, except for
*
* - toString, hashCode, equals, stringPrefix
* - newBuilder, view
* - all calls creating a new iterable objetc of the same kind
*
* The above methods are forwarded by subclass IterableProxy
*
* @author Martin Odersky
* @version 2.8
*/
trait IterableForwarder[+A] extends Iterable[A] {
/** The iterable object to which calls are forwarded */
protected def underlying: Iterable[A]
// Iterable delegates
// Iterable methods could be printed by cat IterableTemplate.scala | sed -n '/trait Iterable/,$ p' | egrep '^ (override )?def'
override def elements = underlying.elements
override def isEmpty = underlying.isEmpty
override def hasDefiniteSize = underlying.hasDefiniteSize
override def foreach(f: A => Unit) = underlying.foreach(f)
override def forall(p: A => Boolean): Boolean = underlying.forall(p)
override def exists(p: A => Boolean): Boolean = underlying.exists(p)
override def count(p: A => Boolean): Int = underlying.count(p)
override def find(p: A => Boolean): Option[A] = underlying.find(p)
override def foldLeft[B](z: B)(op: (B, A) => B): B = underlying.foldLeft(z)(op)
override def foldRight[B](z: B)(op: (A, B) => B): B = underlying.foldRight(z)(op)
override def reduceLeft[B >: A](op: (B, A) => B): B = underlying.reduceLeft(op)
override def reduceRight[B >: A](op: (A, B) => B): B = underlying.reduceRight(op)
override def copyToBuffer[B >: A](dest: Buffer[B]) = underlying.copyToBuffer(dest)
override def copyToArray[B >: A](xs: Array[B], start: Int, len: Int) = underlying.copyToArray(xs, start, len)
override def toArray[B >: A]: Array[B] = underlying.toArray
override def toList: List[A] = underlying.toList
override def toSequence: Sequence[A] = underlying.toSequence
override def toStream: Stream[A] = underlying.toStream
override def mkString(start: String, sep: String, end: String): String = underlying.mkString(start, sep, end)
override def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder = underlying.addString(b, start, sep, end)
override def head: A = underlying.head
override def last: A = underlying.last
override def sameElements[B >: A](that: OrderedIterable[B]): Boolean = underlying.sameElements(that)
}
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