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-rw-r--r--src/lisp/core.lisp.in6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/lisp/core.lisp.in b/src/lisp/core.lisp.in
index 338d37ee..46d5306f 100644
--- a/src/lisp/core.lisp.in
+++ b/src/lisp/core.lisp.in
@@ -183,6 +183,7 @@
"CONCAT"
"$EditorProgram"
+ "ident?"
;; numeric support
"%fNaN?"
))
@@ -1320,6 +1321,11 @@
(eval-when (:load-toplevel :execute)
(pushnew #'shoe-provide-module sb-ext:*module-provider-functions*))
+;; Return true if `x' designates an identifier.
+(defun |ident?| (x)
+ (and (symbolp x)
+ (not (null x))))
+
;;
;; -*-* Numerics support -*-
;;