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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2010, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id$
package scala.collection
import generic._
import mutable.{Buffer, StringBuilder}
// Methods could be printed by cat TraversableLike.scala | egrep '^ (override )?def'
/** This trait implements a proxy for traversable objects. It forwards
* all calls to a different traversable object
*
* @author Martin Odersky
* @version 2.8
* @since 2.8
*/
trait TraversableProxyLike[+A, +This <: TraversableLike[A, This] with Traversable[A]] extends TraversableLike[A, This] with Proxy {
def self: This
override def foreach[B](f: A => B): Unit = self.foreach(f)
override def isEmpty: Boolean = self.isEmpty
override def nonEmpty: Boolean = self.nonEmpty
override def size: Int = self.size
override def hasDefiniteSize = self.hasDefiniteSize
override def ++[B >: A, That](that: Traversable[B])(implicit bf: CanBuildFrom[This, B, That]): That = self.++(that)(bf)
override def ++[B >: A, That](that: Iterator[B])(implicit bf: CanBuildFrom[This, B, That]): That = self.++(that)(bf)
override def map[B, That](f: A => B)(implicit bf: CanBuildFrom[This, B, That]): That = self.map(f)(bf)
override def flatMap[B, That](f: A => Traversable[B])(implicit bf: CanBuildFrom[This, B, That]): That = self.flatMap(f)(bf)
override def partialMap[B, That](pf: PartialFunction[A, B])(implicit bf: CanBuildFrom[This, B, That]): That = self.partialMap(pf)(bf)
override def filter(p: A => Boolean): This = self.filter(p)
override def filterNot(p: A => Boolean): This = self.filterNot(p)
override def partition(p: A => Boolean): (This, This) = self.partition(p)
override def groupBy[K](f: A => K): Map[K, This] = self.groupBy(f)
override def forall(p: A => Boolean): Boolean = self.forall(p)
override def exists(p: A => Boolean): Boolean = self.exists(p)
override def count(p: A => Boolean): Int = self.count(p)
override def find(p: A => Boolean): Option[A] = self.find(p)
override def foldLeft[B](z: B)(op: (B, A) => B): B = self.foldLeft(z)(op)
override def /: [B](z: B)(op: (B, A) => B): B = self./:(z)(op)
override def foldRight[B](z: B)(op: (A, B) => B): B = self.foldRight(z)(op)
override def :\ [B](z: B)(op: (A, B) => B): B = self.:\(z)(op)
override def reduceLeft[B >: A](op: (B, A) => B): B = self.reduceLeft(op)
override def reduceLeftOption[B >: A](op: (B, A) => B): Option[B] = self.reduceLeftOption(op)
override def reduceRight[B >: A](op: (A, B) => B): B = self.reduceRight(op)
override def reduceRightOption[B >: A](op: (A, B) => B): Option[B] = self.reduceRightOption(op)
override def head: A = self.head
override def headOption: Option[A] = self.headOption
override def tail: This = self.tail
override def last: A = self.last
override def lastOption: Option[A] = self.lastOption
override def init: This = self.init
override def take(n: Int): This = self.take(n)
override def drop(n: Int): This = self.drop(n)
override def slice(from: Int, until: Int): This = self.slice(from, until)
override def takeWhile(p: A => Boolean): This = self.takeWhile(p)
override def dropWhile(p: A => Boolean): This = self.dropWhile(p)
override def span(p: A => Boolean): (This, This) = self.span(p)
override def splitAt(n: Int): (This, This) = self.splitAt(n)
override def copyToBuffer[B >: A](dest: Buffer[B]) = self.copyToBuffer(dest)
override def copyToArray[B >: A](xs: Array[B], start: Int, len: Int) = self.copyToArray(xs, start, len)
override def copyToArray[B >: A](xs: Array[B], start: Int) = self.copyToArray(xs, start)
override def toArray[B >: A: ClassManifest]: Array[B] = self.toArray
override def toList: List[A] = self.toList
override def toIterable: Iterable[A] = self.toIterable
override def toSeq: Seq[A] = self.toSeq
override def toStream: Stream[A] = self.toStream
override def toSet[B >: A]: immutable.Set[B] = self.toSet
override def mkString(start: String, sep: String, end: String): String = self.mkString(start, sep, end)
override def mkString(sep: String): String = self.mkString(sep)
override def mkString: String = self.mkString
override def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder = self.addString(b, start, sep, end)
override def addString(b: StringBuilder, sep: String): StringBuilder = self.addString(b, sep)
override def addString(b: StringBuilder): StringBuilder = self.addString(b)
override def stringPrefix : String = self.stringPrefix
override def view = self.view
override def view(from: Int, until: Int): TraversableView[A, This] = self.view(from, until)
}
private class TraversableProxyLikeConfirmation[+A, +This <: TraversableLike[A, This] with Traversable[A]]
extends TraversableProxyLike[A, Traversable[A]]
with interfaces.TraversableMethods[A, Traversable[A]]
{
def self: This = repr.asInstanceOf[This]
protected[this] def newBuilder = scala.collection.Traversable.newBuilder[A]
// : Builder[A, This]
}
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