[GHC] #10619: Order matters when type-checking

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Thu Dec 24 19:37:06 UTC 2015


#10619: Order matters when type-checking
-------------------------------------+-------------------------------------
        Reporter:  goldfire          |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
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Comment (by Richard Eisenberg <eir@…>):

 In [changeset:"2db18b8135335da2da9918b722699df684097be9/ghc"
 2db18b81/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="2db18b8135335da2da9918b722699df684097be9"
 Visible type application

 This re-working of the typechecker algorithm is based on
 the paper "Visible type application", by Richard Eisenberg,
 Stephanie Weirich, and Hamidhasan Ahmed, to be published at
 ESOP'16.

 This patch introduces -XTypeApplications, which allows users
 to say, for example `id @Int`, which has type `Int -> Int`. See
 the changes to the user manual for details.

 This patch addresses tickets #10619, #5296, #10589.
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10619#comment:3>
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