#14646: GHC 8.4.1 regression: rank-n types no longer parenthesized when pretty- printed -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: RyanGlScott Type: bug | Status: new Priority: high | Milestone: 8.4.1 Component: GHC API | Version: 8.4.1-alpha1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Incorrect result | Unknown/Multiple at runtime | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * owner: (none) => RyanGlScott Comment: I will take a crack at (2). Note to myself: we should try to emulate the behavior of the first case of [http://git.haskell.org/ghc.git/blob/fb78b0d22635b1d7ae68385c648b8c407f5562c2... /template-haskell/Language/Haskell/TH/Ppr.hs#l734 pprFunArgType] in the `ArrowT` case of `Convert.cvtTypeKind`. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14646#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler