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Diffstat (limited to 'src')
| -rw-r--r-- | src/library/scala/collection/immutable/Vector.scala | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/library/scala/collection/immutable/Vector.scala b/src/library/scala/collection/immutable/Vector.scala index 9faab71158..3f1aa8c1b5 100644 --- a/src/library/scala/collection/immutable/Vector.scala +++ b/src/library/scala/collection/immutable/Vector.scala @@ -636,7 +636,16 @@ final class VectorIterator[+A](_startIndex: Int, _endIndex: Int) extends Iterato res } - // TODO: drop (important?) + private[collection] def remainingElementCount: Int = (_endIndex - (blockIndex + lo)) max 0 + + /** Creates a new vector which consists of elements remaining in this iterator. + * Such a vector can then be split into several vectors using methods like `take` and `drop`. + */ + private[collection] def remainingVector: Vector[A] = { + val v = new Vector(blockIndex + lo, _endIndex, blockIndex + lo) + v.initFrom(this) + v + } @deprecated("this method is experimental and will be removed in a future release") @inline def foreachFast[U](f: A => U) { while (hasNext) f(next()) } |