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

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

diff --git a/lily/include/prob.hh b/lily/include/prob.hh
index 9f6ad9609a080e5c7567944c39607781edcb88a7..1f437ac5ef20cbb79208cb2ab4015b205eacfb1b 100644 (file)
--- a/lily/include/prob.hh
+++ b/lily/include/prob.hh
@@ -35,7 +35,7 @@ class Prob : public Smob<Prob>
 {
 public:
   int print_smob (SCM, scm_print_state *);
-  SCM mark_smob ();
+  SCM mark_smob () const;
   static SCM equal_p (SCM, SCM);
   static const char type_p_name_[];
   virtual ~Prob ();