#11622: Annotating types in type familiy equations without parentheses -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.1 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 Iceland_jack): Were you thinking of #8708? Removing this restriction would help make the `:kind` command less surprising: {{{
:kind Int Int :: * :kind Int :: * <parse error> }}}
where one might expect it to work like {{{
:type 'a' 'a' :: Char :type 'a' :: Char 'a' :: Char :: Char }}}
While we're at it, is it possible to automatically quantify free variables? {{{
:kind Maybe Maybe :: * -> * :kind Maybe a <not-in-scope error> }}}
Explicitly quantifying the variables gets tiresome when there are more of them -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11622#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler