Test file for array.lisp

[jscl.git] / src / array.lisp

diff --git a/src/array.lisp b/src/array.lisp
index a90a4bc..5f6d50e 100644 (file)
--- a/src/array.lisp
+++ b/src/array.lisp
@@ -78,6 +78,8 @@
 ;;; FIXME: should take optional min-extension.
 ;;; FIXME: should use fill-pointer instead of the absolute end of array
 (defun vector-push-extend (new vector)
+  (unless (vectorp array)
+    (error "~S is not a vector." array))  
   (let ((size (storage-vector-size vector)))
     (resize-storage-vector vector (1+ size))
     (aset vector size new)