
#11376: Inconsistent specified type variables among functions and datatypes/classes when using -XTypeApplications -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (Type | Version: 8.1 checker) | Resolution: | Keywords: TypeInType Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Other | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by RyanGlScott): `-XTypeInType` switches on a menagerie of extensions, including `-XPolyKinds`: {{{ $ /opt/ghc/head/bin/ghci GHCi, version 8.1.20160106: http://www.haskell.org/ghc/ :? for help λ> :set -XTypeInType λ> :showi language base language is: Haskell2010 with the following modifiers: -XDataKinds -XNoDatatypeContexts -XExtendedDefaultRules -XKindSignatures -XNoMonomorphismRestriction -XNondecreasingIndentation -XPolyKinds -XTypeInType }}} `-XTypeApplications` enables some others, too: {{{ $ /opt/ghc/head/bin/ghci GHCi, version 8.1.20160106: http://www.haskell.org/ghc/ :? for help λ> :set -XTypeApplications λ> :showi language base language is: Haskell2010 with the following modifiers: -XAllowAmbiguousTypes -XNoDatatypeContexts -XExtendedDefaultRules -XNoMonomorphismRestriction -XNondecreasingIndentation -XTypeApplications }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11376#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler