#4176: reject unary minus in infix left hand side function bindings that resolve
differently as expressions
---------------------------+------------------------------------------------
Reporter: maeder | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 7.2.1
Component: Compiler | Version: 7.2.1
Resolution: | Keywords: fixity resolution
Testcase: | Blockedby:
Difficulty: | Os: Unknown/Multiple
Blocking: | Architecture: Unknown/Multiple
Failure: None/Unknown |
---------------------------+------------------------------------------------
Comment(by igloo):
Aha, I think you're right:
{{{
> resolve [TNeg, TExp (Var "one"), TOp (Op "##" 7 Nonfix), TExp (Var
"zero")]
Just (Neg (OpApp (Var "one") (Op "##" 7 Nonfix) (Var "zero")))
}}}
so it should parse as the illegal
{{{
- (1 ## 0) = 0
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4176#comment:9>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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