[GHC] #3262: Identifiers beginning with _ should not be considered for shadowing

[GHC]

#3262: Identifiers beginning with _ should not be considered for shadowing
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    Reporter:  batterseapower    |        Owner:                  
        Type:  proposal          |       Status:  closed          
    Priority:  normal            |    Milestone:                  
   Component:  Compiler          |      Version:  6.10.2          
    Severity:  trivial           |   Resolution:  fixed           
    Keywords:                    |   Difficulty:  Unknown         
    Testcase:                    |           Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |  
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Changes (by simonpj):

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

Comment:

 Good idea.  Done
 {{{
 Thu May 28 16:23:59 BST 2009  simonpj at microsoft.com
   * Fix Trac #3262: suppress name-shadow warning for _names

   Adopt Max's suggestion for name shadowing, by suppressing shadowing
   warnings for variables starting with "_".  A tiny bit of refactoring
   along the way.

     M ./compiler/basicTypes/NameSet.lhs -1 +1
     M ./compiler/basicTypes/OccName.lhs -8 +7
     M ./compiler/rename/RnEnv.lhs -1 +3
     M ./compiler/typecheck/TcInstDcls.lhs -1 +1
     M ./docs/users_guide/using.xml +5
 }}}
 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3262#comment:1>
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