Add symbol-list? predicate

diff --git a/scm/c++.scm b/scm/c++.scm
index 444a3e9ba6534b9201c26937785bcbb4fc9e6a5d..d627481e5cba9e33243f3c14018e3655b8164ca2 100644 (file)
--- a/scm/c++.scm
+++ b/scm/c++.scm
@@ -48,6 +48,9 @@
 (define-public (boolean-or-symbol? x)
   (or (boolean? x) (symbol? x)))
 
+(define-public (symbol-list? x)
+  (and (list? x) (every symbol? x)))
+
 (define-public (string-or-symbol? x)
   (or (string? x) (symbol? x)))
 

diff --git a/scm/lily.scm b/scm/lily.scm
index d7c4bf65874c8766fe5a2dcd75bae743fb296258..c8e4de05f45b847c9dd181c5d980c21af0bb1b4b 100644 (file)
--- a/scm/lily.scm
+++ b/scm/lily.scm
@@ -584,6 +584,7 @@ messages into errors.")
     (,string-or-pair? . "string or pair")
     (,string-or-music? . "string or music")
     (,string-or-symbol? . "string or symbol")
+    (,symbol-list? . "symbol list")
     (,void? . "void")
     ))