diff options
| -rw-r--r-- | src/library/scala/collection/mutable/ArrayOps.scala | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/library/scala/collection/mutable/ArrayOps.scala b/src/library/scala/collection/mutable/ArrayOps.scala index 507585b9cf..b384decbfb 100644 --- a/src/library/scala/collection/mutable/ArrayOps.scala +++ b/src/library/scala/collection/mutable/ArrayOps.scala @@ -41,6 +41,17 @@ sealed trait ArrayOps[T] extends Any with ArrayLike[T, Array[T]] with CustomPara if (l > 0) Array.copy(repr, 0, xs, start, l) } + override def slice(from: Int, until: Int): Array[T] = { + val lo = math.max(from, 0) + val hi = math.min(math.max(until, 0), repr.length) + val size = math.max(hi-lo, 0) + val result = java.lang.reflect.Array.newInstance(elementClass, size) + if(size > 0) { + Array.copy(repr, lo, result, 0, size) + } + result.asInstanceOf[Array[T]] + } + override def toArray[U >: T : ClassTag]: Array[U] = { val thatElementClass = implicitly[ClassTag[U]].runtimeClass if (elementClass eq thatElementClass) |