[GHC] #9272: Template Haskell doesn't support n+k patterns

GHC ghc-devs at haskell.org
Sat Jul 5 23:24:42 UTC 2014


#9272: Template Haskell doesn't support n+k patterns
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       Reporter:  br1       |             Owner:
           Type:  bug       |            Status:  new
       Priority:  normal    |         Milestone:
      Component:  Template  |           Version:  7.8.2
  Haskell                   |  Operating System:  Unknown/Multiple
       Keywords:            |   Type of failure:  GHC rejects valid program
   Architecture:            |         Test Case:
  Unknown/Multiple          |          Blocking:
     Difficulty:  Unknown   |
     Blocked By:            |
Related Tickets:            |
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 ghci> runQ [d| foo (n+3) = 42 |]

 <interactive>:1:6:
     Exotic pattern not (yet) handled by Template Haskell n+3

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9272>
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