Extracted from Pike v7.4 release 117 at 2004-11-02.
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predef::
ADT
ADT.Relation
ADT.Relation.Binary

Method ADT.Relation.Binary()->make_symmetric()


Method make_symmetric

object make_symmetric()

Description

Makes the relation symmetric, i.e. makes sure that if xRy is part of the relation set, then yRx should also be a part of the relation set.