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| -rw-r--r-- | src/library/scala/collection/parallel/ParIterableLike.scala | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/library/scala/collection/parallel/ParIterableLike.scala b/src/library/scala/collection/parallel/ParIterableLike.scala index 1a63e26622..6b32a7c6b8 100644 --- a/src/library/scala/collection/parallel/ParIterableLike.scala +++ b/src/library/scala/collection/parallel/ParIterableLike.scala @@ -122,6 +122,9 @@ import annotation.unchecked.uncheckedVariance * `newCombiner` and `seq`. Having an implicit combiner factory requires extending this trait in addition, as * well as providing a companion object, as with regular collections. * + * Method `size` is implemented as a constant time operation for parallel collections, and parallel collection + * operations rely on this assumption. + * * @author Aleksandar Prokopec * @since 2.9 * |