must be of arity >= 2
for hyperedges and of arity == 2
for edges.
(lHyperEdgeCompanion: StringAdd).self
(lHyperEdgeCompanion: StringFormat).self
(lHyperEdgeCompanion: OuterNode[LHyperEdgeCompanion[E]]).toString()
(lHyperEdgeCompanion: ArrowAssoc[LHyperEdgeCompanion[E]]).x
(Since version 2.10.0) Use leftOfArrow
instead
(lHyperEdgeCompanion: Ensuring[LHyperEdgeCompanion[E]]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
Everything common to labeled hyperedge companion objects.