:interactive read-evaluated-form
value))))
+(defun case-failure (name value keys)
+ (error 'case-failure
+ :name name
+ :datum value
+ :expected-type (if (eq name 'ecase)
+ `(member ,@keys)
+ `(or ,@keys))
+ :possibilities keys))
+
(defun case-body-error (name keyform keyform-value expected-type keys)
(restart-case
(error 'case-failure