(innerElem: StringAdd).self
(innerElem: StringFormat).self
(innerElem: OuterNode[InnerElem]).toString()
(innerElem: ArrowAssoc[InnerElem]).x
(Since version 2.10.0) Use leftOfArrow
instead
(innerElem: Ensuring[InnerElem]).x
(Since version 2.10.0) Use resultOfEnsuring
instead