Extracted from Pike v7.8 release 866 at 2016-11-06.
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ADT
ADT.Relation
ADT.Relation.Binary

Classes
 _get_iterator

Methods
 _sizeof()
 `&()
 `()()
 `+()
 `-()
 `<=()
 `|()
 add()
 contains()
 filter()
 filter_destructively()
 find_shortest_path()
 get_id()
 make_symmetric()
 map()
 remove()
previousADT.Relation.Binary()->_get_iterator
ADT.Relation.Binary()->`&()next

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

Method _sizeof

mixed _sizeof()

Description

Returns the number of relation entries in the relation. (Or with other words: the number of relations in the relation set.)