Method ADT.Relation.Binary()->`&()
- Method `&
mixed res = ADT.Relation.Binary() & rel
- Description
The expression `rel1 & rel2' returns a new relation which has those and only those relation entries that are present in both rel1 and rel2.
mixed res = ADT.Relation.Binary() & rel
The expression `rel1 & rel2' returns a new relation which has those and only those relation entries that are present in both rel1 and rel2.