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Diffstat (limited to 'src/library/scala/collection/mutable/StringBuilder.scala')
-rw-r--r--src/library/scala/collection/mutable/StringBuilder.scala3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/library/scala/collection/mutable/StringBuilder.scala b/src/library/scala/collection/mutable/StringBuilder.scala
index 2cfab4713c..6fb4b839ef 100644
--- a/src/library/scala/collection/mutable/StringBuilder.scala
+++ b/src/library/scala/collection/mutable/StringBuilder.scala
@@ -24,7 +24,8 @@ import immutable.StringLike
*/
@SerialVersionUID(0 - 8525408645367278351L)
final class StringBuilder(private val underlying: JavaStringBuilder)
- extends java.lang.CharSequence
+ extends AbstractSeq[Char]
+ with java.lang.CharSequence
with IndexedSeq[Char]
with StringLike[StringBuilder]
with Builder[Char, String]