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