Class 2-Relation

The abstract class for FSet binary relations. It is a structure class.

Part of:

package fset, class wb-2-relation, class relation

Direct Superclass

relationThe abstract class for FSet relations. It is a structure class.

Direct Subclass

wb-2-relationA class of functional binary relations represented as pairs of weight-
balanced binary trees. Th...

Direct Method

arityReturns the arity of the relation rel.
closureThe transitive closure of the set over the relation. The relation may
also be supplied as a func...
convertConverts the collection to the specified type. Some methods may
take additional keyword argument...

Other Method

compareReturns one of :less, :greater, :equal, or :unequal according as x
is less than, greate...