- condition-predicate kind-keyprocedure
Returns a predicate that can be called with any object as its argument. Given a condition that was created by make-property-condition, the predicate returns #t if and only if kind-key is EQV? to the kind key that was passed to make-property-condition. Given a composite condition created with make-composite-condition, the predicate returns #t if and only if the predicate returns #t for at least one of its components.