Doc: CG: Fix missing right bracket

[lilypond.git] / lily / music-function-scheme.cc

diff --git a/lily/music-function-scheme.cc b/lily/music-function-scheme.cc
index e87872caaca3bb6802c36ba2fd33aead726ddf55..e9e9a68ec6f696859e3c66e3e3fe2dd778cc50e2 100644 (file)
--- a/lily/music-function-scheme.cc
+++ b/lily/music-function-scheme.cc
@@ -13,7 +13,16 @@ LY_DEFINE (ly_music_function_extract, "ly:music-function-extract", 1, 0, 0,
 {
   LY_ASSERT_TYPE (is_music_function, x, 1);
 
-  return SCM_CELL_OBJECT_1 (x);
+  return get_music_function_transform (x);
+}
+
+LY_DEFINE (ly_music_function_signature, "ly:music-function-signature", 1, 0, 0,
+           (SCM x),
+           "Return the function signature inside@tie{}@var{x}.")
+{
+  LY_ASSERT_TYPE (is_music_function, x, 1);
+
+  return get_music_function_signature (x);
 }
 
 LY_DEFINE (ly_make_music_function, "ly:make-music-function", 2, 0, 0,
@@ -26,19 +35,18 @@ LY_DEFINE (ly_make_music_function, "ly:make-music-function", 2, 0, 0,
 {
   LY_ASSERT_TYPE (ly_is_list, signature, 1);
   LY_ASSERT_TYPE (ly_is_procedure, func, 2);
-  int n=0;
+  int n = 0;
   for (SCM p = signature; scm_is_pair (p); p = scm_cdr (p), ++n)
     {
       SCM proc = scm_car (p);
       if (scm_is_pair (proc))
-       proc = scm_car (proc);
+        proc = scm_car (proc);
       if (scm_is_false (scm_procedure_p (proc)))
-       {
-         scm_wrong_type_arg_msg ("music-function", n, p,
-                                 "music function predicate");
-       }
+        {
+          scm_wrong_type_arg_msg ("music-function", n, p,
+                                  "music function predicate");
+        }
     }
 
   return make_music_function (signature, func);
 }
-