swap

1 files changed, 7 insertions, 0 deletions

diff --git a/moses/ScoreComponentCollection.h b/moses/ScoreComponentCollection.h
index a7c4eb2b7..4d12e4286 100644
--- a/moses/ScoreComponentCollection.h
+++ b/moses/ScoreComponentCollection.h
@@ -63,8 +63,11 @@ namespace Moses
 class ScoreComponentCollection
 {
   friend std::ostream& operator<<(std::ostream& os, const ScoreComponentCollection& rhs);
+  friend void swap(ScoreComponentCollection &first, ScoreComponentCollection &second);
+
 private:
   FVector m_scores;
+
   typedef std::pair<size_t,size_t> IndexPair;
   typedef std::map<const FeatureFunction*,IndexPair> ScoreIndexMap;
   static  ScoreIndexMap s_scoreIndexes;
@@ -414,5 +417,9 @@ struct SCCPlus {
   }
 };
 
+inline void swap(ScoreComponentCollection &first, ScoreComponentCollection &second) {
+  swap(first.m_scores, second.m_scores);
+}
+
 }
 #endif