Removed a number of engravers from the definition DrumVoice

[lilypond.git] / lily / include / lily-guile.hh

diff --git a/lily/include/lily-guile.hh b/lily/include/lily-guile.hh
index 6f21a29b03c172e53c7c720a9628027a556a7e06..efb283cfc18588262bf6f3fce32839a8baf4724f 100644 (file)
--- a/lily/include/lily-guile.hh
+++ b/lily/include/lily-guile.hh
@@ -85,9 +85,16 @@ SCM ly_assoc_prepend_x (SCM alist, SCM key, SCM val);
 inline bool ly_is_fraction (SCM x) { return SCM_FRACTIONP(x) || scm_is_integer (x); }
     
 inline bool ly_is_list (SCM x) { return SCM_NFALSEP (scm_list_p (x)); }
+inline bool ly_cheap_is_list (SCM x) { return scm_is_pair (x) || x == SCM_EOL; }
 inline bool ly_is_procedure (SCM x) { return SCM_NFALSEP (scm_procedure_p (x)); }
 inline bool ly_is_port (SCM x) { return SCM_NFALSEP (scm_port_p (x)); }
 
+/*
+  want to take the address of this function; scm_is_symbol() is a
+  macro.
+ */
+inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
+
 inline bool ly_is_equal (SCM x, SCM y)
 {
   return SCM_NFALSEP (scm_equal_p (x, y));