Extracted from Pike v7.8 release 352 at 2012-06-25.
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ADT
ADT.Relation
ADT.Relation.Binary

Method ADT.Relation.Binary()->`&()


Method `&

mixed `&(mixed 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.