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Standard library for the Scala Programming Language
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.collection
import generic._
import mutable.Builder
/** A base trait for sequences.
* $seqInfo
*/
trait Seq[+A] extends PartialFunction[Int, A]
with Iterable[A]
with GenSeq[A]
with GenericTraversableTemplate[A, Seq]
with SeqLike[A, Seq[A]] {
override def companion: GenericCompanion[Seq] = Seq
override def seq: Seq[A] = this
}
/** $factoryInfo
* The current default implementation of a $Coll is a `List`.
* @define coll sequence
* @define Coll `Seq`
*/
object Seq extends SeqFactory[Seq] {
/** $genericCanBuildFromInfo */
implicit def canBuildFrom[A]: CanBuildFrom[Coll, A, Seq[A]] = ReusableCBF.asInstanceOf[GenericCanBuildFrom[A]]
def newBuilder[A]: Builder[A, Seq[A]] = immutable.Seq.newBuilder[A]
}
/** Explicit instantiation of the `Seq` trait to reduce class file size in subclasses. */
private[scala] abstract class AbstractSeq[+A] extends AbstractIterable[A] with Seq[A]