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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2009, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id: ListBuffer.scala 14378 2008-03-13 11:39:05Z dragos $
package scalax.collection.generic
import collection.mutable.ListBuffer
import collection.immutable.{List, Nil, ::}
abstract class LazyBuilder[+CC[B], A] extends Builder[CC, A] {
protected var parts = new ListBuffer[Iterator[A]]
def +=(x: A) = { parts += Iterator.single(x) }
override def ++=(xs: Iterator[A]) { parts += xs }
override def ++=(xs: Iterable[A]) { parts += xs.elements }
def elements: Iterator[A] = Iterator.iteratorIteratorWrapper(parts.elements).flatten // !!! can remove the wrapper once new compiler is in starr
def result: CC[A]
def clear() { parts.clear() }
}
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