#344: arrow notation: incorrect scope of existential dictionaries
--------------------------------------+-------------------------------------
  Reporter:  nobody                   |          Owner:  ross            
      Type:  bug                      |         Status:  new             
  Priority:  lowest                   |      Milestone:  7.6.1           
 Component:  Compiler (Type checker)  |        Version:  6.4             
Resolution:  None                     |       Keywords:                  
        Os:  Unknown/Multiple         |   Architecture:  Unknown/Multiple
   Failure:  Compile-time crash       |     Difficulty:  Unknown         
  Testcase:                           |      Blockedby:                  
  Blocking:                           |        Related:                  
--------------------------------------+-------------------------------------

Comment(by ross):

 Alternatively, it could be translated as
 {{{
 get = arr (\x -> case x of Bar a -> (foo,a)) >>> arr (\(foo,a) -> foo a)
 >>> id
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/344#comment:24>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler

_______________________________________________
Glasgow-haskell-bugs mailing list
[email protected]
http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs

Reply via email to