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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2006-2008, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id: Vector.scala 15437 2008-06-25 16:22:45Z stepancheg $
package scalax.collection.generic.mutable
import collection.mutable.Vector
import collection.mutable.Vector._
/** Sequences that support O(1) element access and O(1) length computation.
* @author Sean McDirmid
* @author Martin Odersky
* @version 2.8
*/
trait VectorTemplate[+CC[B] <: VectorTemplate[CC, B] with Vector[B], A] extends nonvariant.VectorTemplate[CC, A] {
self =>
def update(idx: Int, elem: A)
/** Creates a view of this iterable @see OrderedIterable.View
*/
override def view: VectorView[CC, A] = new VectorView[CC, A] { // !!! Martin: We should maybe infer the type parameters here?
val origin: Vector[_] = thisCC
val length: Int = self.length
def apply(idx: Int): A = self.apply(idx)
def update(idx: Int, elem: A) = self.update(idx, elem)
}
/** A sub-sequence view starting at index `from`
* and extending up to (but not including) index `until`.
*
* @param from The index of the first element of the slice
* @param until The index of the element following the slice
* @note The difference between `view` and `slice` is that `view` produces
* a view of the current sequence, whereas `slice` produces a new sequence.
*
* @note view(from, to) is equivalent to view.slice(from, to)
*/
override def view(from: Int, until: Int): VectorView[CC, A] = view.slice(from, until)
def readOnly: Sequence[A] = new collection.immutable.Vector[A] { //!!!
def length = self.length
def apply(idx : Int) = self.apply(idx)
def newBuilder[B]: Builder[CC, B] = self.newBuilder[B]
override def foreach(f: A => Unit) = self.foreach(f)
override def stringPrefix = self.stringPrefix+"RO"
}
}
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