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Diffstat (limited to 'src/library/scala/collection/mutable/SetLike.scala')
-rw-r--r-- | src/library/scala/collection/mutable/SetLike.scala | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/library/scala/collection/mutable/SetLike.scala b/src/library/scala/collection/mutable/SetLike.scala index 073bc59f61..c7618fcf3c 100644 --- a/src/library/scala/collection/mutable/SetLike.scala +++ b/src/library/scala/collection/mutable/SetLike.scala @@ -121,7 +121,9 @@ 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. |