X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fc%2B%2B.scm;h=204f813d4736388030db061ed5eea3927ec62cf6;hb=8b4182456613d5957b63526aacbfc5e1dafa3b0c;hp=bc518030ae8304889cc98a3d37015839a98c3a7d;hpb=7bd6884c300f1a032b5b9f2e0b9ffa5a7938244a;p=lilypond.git

diff --git a/scm/c++.scm b/scm/c++.scm
index bc518030ae..204f813d47 100644
--- a/scm/c++.scm
+++ b/scm/c++.scm
@@ -47,6 +47,9 @@
 (define-public (string-or-pair? x)
   (or (string? x) (pair? x)))
 
+(define-public (number-or-pair? x)
+  (or (number? x) (pair? x)))
+
 (define-public (cheap-list? x)
   (or (pair? x) (null? x)))
 
@@ -55,6 +58,8 @@
 
 (define-public (scheme? x) #t)
 
+(define-public (symbol-or-boolean? x)
+  (or (symbol? x) (boolean? x)))
 
 ;; moved list to end of lily.scm: then all type-predicates are
 ;; defined.