[GHC] #3973: Derive Typeable and Eq instances for TMVar, TChan (and TArray)

[GHC]

#3973: Derive Typeable and Eq instances for TMVar, TChan (and TArray)
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  Reporter:  basvandijk         |          Owner:  simonmar        
      Type:  proposal           |         Status:  closed          
  Priority:  normal             |      Milestone:  Not GHC         
 Component:  libraries (other)  |        Version:  6.12.1          
Resolution:  fixed              |       Keywords:                  
Difficulty:                     |             Os:  Unknown/Multiple
  Testcase:                     |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown       |  
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Changes (by simonmar):

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


Comment:

 I pushed all these.  The `Eq` instance for `TArray` seems like the only
 sensible one to me.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3973#comment:4>
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