Re: [GHC] #13920: 自動選擇實例

[GHC]

#13920: 自動選擇實例
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        Reporter:  zaoqi             |                Owner:  (none)
            Type:  feature request   |               Status:  infoneeded
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.2
      Resolution:                    |             Keywords:
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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Comment (by zaoqi):

 Replying to [comment:4 RyanGlScott]:
 > I can't tell what your problem is from just a single code snippet. We're
 not mind-readers - please explain clearly what the issue is!
 #13950

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13920#comment:5>
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