- (let* ((members (member-type-members type))
- (res (primitive-type-of (first members))))
- (dolist (mem (rest members) (values res nil))
- (let ((ptype (primitive-type-of mem)))
- (unless (eq ptype res)
- (let ((new-ptype (or (maybe-numeric-type-union res ptype)
- (maybe-numeric-type-union ptype res))))
- (if new-ptype
- (setq res new-ptype)
- (return (any)))))))))
+ (let (res)
+ (block nil
+ (mapc-member-type-members
+ (lambda (member)
+ (let ((ptype (primitive-type-of member)))
+ (if res
+ (unless (eq ptype res)
+ (let ((new-ptype (or (maybe-numeric-type-union res ptype)
+ (maybe-numeric-type-union ptype res))))
+ (if new-ptype
+ (setq res new-ptype)
+ (return (any)))))
+ (setf res ptype))))
+ type))
+ res))