;; Check that we've been given a method combination and make sure it
;; actually exists.
(unless comb
- (error "The `combination' property is required."))
+ (error "The `combination' property is required"))
(unless (some (lambda (method)
(let* ((specs (method-specializers method))
(message-spec (car specs))
comb))))
(generic-function-methods
#'compute-aggregating-message-kernel))
- (error "Unknown method combination `~(~A~)'." comb))
+ (error "Unknown method combination `~(~A~)'" comb))
(setf combination comb)
;; Make sure the ordering is actually valid.
(unless (member most-specific '(:first :last))
- (error "The `most_specific' property must be `first' or `last'."))
+ (error "The `most_specific' property must be `first' or `last'"))
;; Set up the function which will compute the kernel.
(let ((magic (cons nil nil))
(unless (c-type-equal-p (c-type-subtype ,type)
,want-type)
(error "Messages with `~(~A~)' combination ~
- must return `~A'."
+ must return `~A'"
,combvar ,want-type)))
(call-next-method))))