#12922: Kind classes compile with PolyKinds -------------------------------------+------------------------------------- Reporter: Tritlo | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by RyanGlScott): For a simpler example, this compiles in GHC 8.0.1 (but probably shouldn't) without `TypeInType`: {{{#!hs {-# LANGUAGE PolyKinds #-} type KindOf (a :: k) = k }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12922#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler