[GHC] #5141: syntax error in pretty-printed kind ascriptions
GHC
cvs-ghc at haskell.org
Thu Apr 21 09:59:22 CEST 2011
#5141: syntax error in pretty-printed kind ascriptions
------------------------------------------------+---------------------------
Reporter: megacz | Owner:
Type: bug | Status: closed
Priority: normal | Milestone:
Component: Compiler | Version: 7.0.3
Resolution: fixed | Keywords:
Testcase: | Blockedby:
Difficulty: | Os: Unknown/Multiple
Blocking: | Architecture: Unknown/Multiple
Failure: Incorrect warning at compile-time |
------------------------------------------------+---------------------------
Comment(by simonpj):
See also http://hackage.haskell.org/trac/haskell-
prime/wiki/InfixTypeConstructors
Yes, with `-XSymbolsAreTyCons`, all operator symbols would be tycons,
irrespective of the leading colon.
Allowing symbol-by-symbol control would be more complicated. But it might
have the advantage of applying uniformly to the term world too. Thus:
{{{
constructor *
variable T
data S T = Int * T
}}}
would mean the same as
{{{
data S t = Star Int t
}}}
It's a bit confusing though.
(PS: You can use the "Change" lnk in your comment to edit a previous
remark.)
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5141#comment:7>
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