[GHC] #8297: Allow implicit parameters to take a default value

[GHC]

#8297: Allow implicit parameters to take a default value
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        Reporter:  schyler  |            Owner:
            Type:  feature  |           Status:  new
  request                   |        Milestone:  _|_
        Priority:  normal   |          Version:
       Component:           |         Keywords:
  Compiler                  |     Architecture:  Unknown/Multiple
      Resolution:           |       Difficulty:  Moderate (less than a day)
Operating System:           |       Blocked By:
  Unknown/Multiple          |  Related Tickets:
 Type of failure:           |
  None/Unknown              |
       Test Case:           |
        Blocking:           |
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Comment (by schyler):

 I have not included a suggested syntax in the ticket. If there is interest
 in this extension of the existing extension, that would be a good
 discussion to have with masters of the esoteric.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8297#comment:1>
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