[GHC] #6022: GHC infers over-general types
GHC
cvs-ghc at haskell.org
Wed Oct 10 20:53:19 CEST 2012
#6022: GHC infers over-general types
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Reporter: simonpj | Owner:
Type: bug | Status: new
Priority: high | Milestone: 7.6.2
Component: Compiler | Version: 7.4.1
Keywords: | Os: Unknown/Multiple
Architecture: Unknown/Multiple | Failure: None/Unknown
Difficulty: Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by carter):
fixed the formatting
Prelude> let g x = (+) x $ head
Prelude> :t g
g :: Num ([a] -> a) => ([a] -> a) -> [a] -> a
Prelude> let h x y = x + head y
Prelude> :t h
h : Num a => a -> [a] -> a
Prelude> let q x = (x +) . head
Prelude> :t q
q : Num c => c -> [c] -> c
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6022#comment:3>
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