Issue 3531: replaced function argument 'string' by 'const string&' where it makes...

[lilypond.git] / lily / include / midi-stream.hh

diff --git a/lily/include/midi-stream.hh b/lily/include/midi-stream.hh
index ee1534da07d73a43ebf79361f38dcab4637974e0..7ea838fdd0f845ebb50eb676c27b9c42031605e7 100644 (file)
--- a/lily/include/midi-stream.hh
+++ b/lily/include/midi-stream.hh
@@ -29,10 +29,10 @@ using namespace std;
 
 struct Midi_stream
 {
-  Midi_stream (string file_name_string);
+  Midi_stream (const string &file_name_string);
   ~Midi_stream ();
 
-  void write (string);
+  void write (const string&);
   void write (Midi_chunk const &);
   void open ();