- enum-set-xor enum-set-1 enum-set-2procedure
- enum-set-xor! enum-set-1 enum-set-2procedure
Returns an enum set containing all the elements that appear in either enum-set-1 or enum-set-2 but not both. It is an error if all the elements of the result do not belong to the same enum type.
(enum-set=? color-set (enum-set-xor reddish ~reddish)) ⇒ #t (enum-set-empty? (enum-set-xor reddish reddish)) ⇒ #t