: pair-generic-definition ( word -- def )
[ sorted-pair-methods [ first2 pair-method-cond ] map ]
- [ [ throw-no-pair-method ] curry suffix ] bi 1quotation
+ [ [ no-pair-method ] curry suffix ] bi 1quotation
[ 2dup [ class-of ] compare +gt+ eq? ?swap ] [ cond ] surround ;
: make-pair-generic ( word -- )