diff options
Diffstat (limited to 'src/library')
| -rw-r--r-- | src/library/scala/collection/mutable/MapLike.scala | 4 | ||||
| -rw-r--r-- | src/library/scala/collection/mutable/SetLike.scala | 4 |
2 files changed, 5 insertions, 3 deletions
diff --git a/src/library/scala/collection/mutable/MapLike.scala b/src/library/scala/collection/mutable/MapLike.scala index a53aa3b76a..42e5a0a4c4 100644 --- a/src/library/scala/collection/mutable/MapLike.scala +++ b/src/library/scala/collection/mutable/MapLike.scala @@ -209,8 +209,8 @@ trait MapLike[A, B, +This <: MapLike[A, B, This] with Map[A, B]] * @param p The test predicate */ def retain(p: (A, B) => Boolean): this.type = { - for ((k, v) <- this.seq ; if !p(k, v)) - this -= k + for ((k, v) <- this.toList) // SI-7269 toList avoids ConcurrentModificationException + if (!p(k, v)) this -= k this } diff --git a/src/library/scala/collection/mutable/SetLike.scala b/src/library/scala/collection/mutable/SetLike.scala index 01f87447ae..71da4c89dc 100644 --- a/src/library/scala/collection/mutable/SetLike.scala +++ b/src/library/scala/collection/mutable/SetLike.scala @@ -120,7 +120,9 @@ trait SetLike[A, +This <: SetLike[A, This] with Set[A]] * which `p` returns `true` are retained in the set; all others * are removed. */ - def retain(p: A => Boolean): Unit = for (elem <- this.toList) if (!p(elem)) this -= elem + def retain(p: A => Boolean): Unit = + for (elem <- this.toList) // SI-7269 toList avoids ConcurrentModificationException + if (!p(elem)) this -= elem /** Removes all elements from the set. After this operation is completed, * the set will be empty. |