(edgeCompanionBase: StringAdd).self
(edgeCompanionBase: StringFormat).self
(edgeCompanionBase: ArrowAssoc[EdgeCompanionBase[E]]).x
(Since version 2.10.0) Use leftOfArrow
instead
(edgeCompanionBase: Ensuring[EdgeCompanionBase[E]]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
Marker trait for companion objects of any kind of edge.