Issue 4459/1: Mark mark_smob () member functions as const

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

diff --git a/lily/include/pitch.hh b/lily/include/pitch.hh
index 90b4317f685e66fb72d4d20dd0c912285c4f4477..3e78b7995263d865b641673a6c9da7eb109474e7 100644 (file)
--- a/lily/include/pitch.hh
+++ b/lily/include/pitch.hh
@@ -37,7 +37,7 @@ class Pitch : public Simple_smob<Pitch>
 public:
   static SCM equal_p (SCM, SCM);
   int print_smob (SCM, scm_print_state *);
-  SCM mark_smob ();
+  SCM mark_smob () const;
   static const char type_p_name_[];
 private:
   int octave_;