Doc-es: update Scheme tutorial.

[lilypond.git] / lily / input-smob.cc

diff --git a/lily/input-smob.cc b/lily/input-smob.cc
index 0a33bd6a596243159596b864c38378e4cbc709f2..f9de264277307556a0eec0c3ea296a030f5aa0e9 100644 (file)
--- a/lily/input-smob.cc
+++ b/lily/input-smob.cc
@@ -28,7 +28,7 @@ Input dummy_input_global;
 const char Input::type_p_name_[] = "ly:input-location?";
 
 SCM
-Input::mark_smob ()
+Input::mark_smob () const
 {
   if (Source_file *sf = get_source_file ())
     return sf->self_scm ();
@@ -37,7 +37,7 @@ Input::mark_smob ()
 }
 
 int
-Input::print_smob (SCM port, scm_print_state *)
+Input::print_smob (SCM port, scm_print_state *) const
 {
   string str = "#<location " + location_string () + ">";
   scm_puts (str.c_str (), port);
@@ -47,8 +47,8 @@ Input::print_smob (SCM port, scm_print_state *)
 SCM
 Input::equal_p (SCM sa, SCM sb)
 {
-  Input *a = unsmob (sa);
-  Input *b = unsmob (sb);
+  Input *a = unsmob<Input> (sa);
+  Input *b = unsmob<Input> (sb);
   if (a->get_source_file () == b->get_source_file ()
       && a->start () == b->start ()
       && a->end () == b->end ())