[GHC] #8109: Type family patterns should support as-patterns.

[GHC]

#8109: Type family patterns should support as-patterns.
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        Reporter:  carlhowells       |                   Owner:  qnikst
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.6.3
      Resolution:                    |                Keywords:  newcomer
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by qnikst):

 @thomie, still working I'm planning to invest more time into this ticket
 after this weekend.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8109#comment:6>
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