EventCountTest cleanups

[folly.git] / folly / Range.h

diff --git a/folly/Range.h b/folly/Range.h
index 4d7b1bcb9d673450bb450fae85df3308d9f8e8d4..1f8c1782188a473c7a7e1de552cfffa9fc093119 100644 (file)
--- a/folly/Range.h
+++ b/folly/Range.h
@@ -804,6 +804,7 @@ typedef Range<const unsigned char*> ByteRange;
 typedef Range<unsigned char*> MutableByteRange;
 
 std::ostream& operator<<(std::ostream& os, const StringPiece& piece);
+std::ostream& operator<<(std::ostream& os, const MutableStringPiece& piece);
 
 /**
  * Templated comparison operators