Issue 4550 (2/2) Avoid "using namespace std;" in included files

[lilypond.git] / lily / include / duration.hh

diff --git a/lily/include/duration.hh b/lily/include/duration.hh
index 7a57cf53af6a4ff5dd333266173374a89bac9591..303fecbeffcb8f97eeaf2e19162196807e418967 100644 (file)
--- a/lily/include/duration.hh
+++ b/lily/include/duration.hh
@@ -33,7 +33,7 @@ struct Duration : public Simple_smob<Duration>
   Duration ();
   Duration (int, int);
   Duration (Rational, bool scale);
-  string to_string () const;
+  std::string to_string () const;
 
   Duration compressed (Rational) const;
   Rational get_length () const;