[GHC] #14463: Pattern synonym for appliation

[GHC]

#14463: Pattern synonym for appliation
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        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  feature request   |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1
      Resolution:  invalid           |             Keywords:
                                     |  PatternSynonyms
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by Iceland_jack):

 * status:  new => closed
 * resolution:   => invalid


Comment:

 Why like this of course

 {{{#!hs
 destruct :: Either a a -> (String, a)
 destruct (Left  a) = ("Left",  a)
 destruct (Right a) = ("Right", a)

 pattern (:$) :: String -> a -> Either a a
 pattern f :$ x <- (destruct -> (f, x))
 }}}

 ;) I agree that the idea is not meaningful, closing

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14463#comment:2>
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