[GHC] #1598: Could instances of Typeable, Data be added?

[GHC]

#1598: Could instances of Typeable, Data be added?
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    Reporter:  igloo              |        Owner:  ashley at semantic.org
        Type:  feature request    |       Status:  new                
    Priority:  normal             |    Milestone:  Not GHC            
   Component:  libraries (other)  |      Version:  6.6.1              
    Severity:  normal             |   Resolution:                     
    Keywords:                     |   Difficulty:  Unknown            
          Os:  Unknown            |     Testcase:                     
Architecture:  Unknown            |  
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Changes (by neil):

  * cc:  => ndmitchell at gmail.com

Comment:

 Is there any reason for not making every type an instance of Data and
 Typeable?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1598>
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