diff options
| -rw-r--r-- | sb-eval2.lisp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sb-eval2.lisp b/sb-eval2.lisp index aa9735e..b6aa7a9 100644 --- a/sb-eval2.lisp +++ b/sb-eval2.lisp @@ -282,6 +282,8 @@ (assume-special context var) (lambda (env) (declare (ignore env)) + (unless (boundp var) + (error 'unbound-variable :name var)) (symbol-value var))))) |