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

[lilypond.git] / lily / include / music-iterator.hh

diff --git a/lily/include/music-iterator.hh b/lily/include/music-iterator.hh
index 2afa31941a1c68cfd030c3f32c170f21306eb3ec..30f27ba894067c889c4cb63b7a10388956d91807 100644 (file)
--- a/lily/include/music-iterator.hh
+++ b/lily/include/music-iterator.hh
@@ -62,7 +62,7 @@ class Music_iterator : public Smob<Music_iterator>
 {
 public:
   int print_smob (SCM, scm_print_state *);
-  SCM mark_smob ();
+  SCM mark_smob () const;
   static const char type_p_name_[];
   virtual ~Music_iterator ();
 protected: