#10039: Make Const (Control.Applicative) kind polymorphic in its second argument -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: feature request | Status: patch Priority: normal | Milestone: Component: Core Libraries | Version: 7.8.4 Resolution: | Keywords: report-impact Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D1630 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari <ben@…>): In [changeset:"edcf17bd2ae503c2dda43ded40dca0950edfd018/ghc" edcf17b/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="edcf17bd2ae503c2dda43ded40dca0950edfd018" Move Const to own module in Data.Functor.Const and enable PolyKinds `Const` from `Control.Applicative` can trivially be made kind-polymorphic in its second argument. There has been a Trac issue about this for nearly a year now. It doesn't look like anybody objects to it, so I figured I might as well make a patch. Trac Issues: #10039, #10865, #11135 Differential Revision: https://phabricator.haskell.org/D1630 Reviewers: ekmett, hvr, bgamari Subscribers: RyanGlScott, thomie }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10039#comment:17> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler