X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fmusic-function.hh;h=f2c349a3e1cdfd1f2bb6572c3c54c727b973bfe4;hb=c6758d6d12e33779fc81218693d5650682d8a1ca;hp=b0ed99732a6a06abf0f6b03ab44a8c6b09628526;hpb=c782eccd5ea9b34e2491d861df752d6872a3f641;p=lilypond.git

diff --git a/lily/include/music-function.hh b/lily/include/music-function.hh
index b0ed99732a..f2c349a3e1 100644
--- a/lily/include/music-function.hh
+++ b/lily/include/music-function.hh
@@ -28,9 +28,9 @@ class Music_function : public Smob2<Music_function>
 {
 public:
   static const char type_p_name_[];
-  int print_smob (SCM, scm_print_state *);
-  SCM get_signature () { return scm1 (); }
-  SCM get_function () { return scm2 (); }
+  int print_smob (SCM, scm_print_state *) const;
+  SCM get_signature () const { return scm1 (); }
+  SCM get_function () const { return scm2 (); }
   SCM call (SCM args);
   LY_DECLARE_SMOB_PROC (&Music_function::call, 0, 0, 1);
 };