scala.tools.nsc.typechecker.PatternMatching.Logic
(absVar: StringAdd).self
(absVar: StringFormat).self
(absVar: ArrowAssoc[AbsVar]).x
(Since version 2.10.0) Use leftOfArrow
instead
(absVar: Ensuring[AbsVar]).x
(Since version 2.10.0) Use resultOfEnsuring
instead