[Haskell-cafe] Endian conversion
Joel Reymont
joelr1 at gmail.com
Thu Oct 6 15:42:34 EDT 2005
Solution by TheHunter on #haskell:
be = $(lift $ (1::CChar) /= (unsafePerformIO
$ with (1::CInt)
$ peekByteOff `flip` 0) ) :: Bool
Thanks, Joel
On Oct 6, 2005, at 9:13 PM, Joel Reymont wrote:
> Why doesn't this compile?
>
> be = $( (1::CChar) /= (unsafePerformIO
> $ with (1::CInt)
> $ peekByteOff `flip` 0) ) :: Bool
>
> Endian.hs:10:8:
> Couldn't match `Language.Haskell.TH.Lib.ExpQ' against `Bool'
> Expected type: Language.Haskell.TH.Lib.ExpQ
> Inferred type: Bool
> In the expression:
> (1 :: CChar)
> /= (unsafePerformIO $ ((with (1 :: CInt)) $ (peekByteOff
> `flip` 0)))
> In the expression:
> $[splice]((1 :: CChar)
> /= (unsafePerformIO $ ((with (1 :: CInt)) $
> (peekByteOff `flip` 0)))) ::
> Bool
--
http://wagerlabs.com/idealab
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