Simon Marlow wrote:
> > With a quick grep through the two programs, my guess is that 'toEnum'
> > is being specialised at type Char to an internal function 'chr', and
> > that the implementation of 'chr' only converts Ints up to some limit
> > like 128. (Both programs apply toEnum to Ints in the range
> > 128<c<256.)
> >
> > If this is the case, it should be easy to fix.
>
> This is our chr:
>
> chr :: Int -> Char
> chr (I# i) | i >=# 0# && i <=# 255# = C# (chr# i)
> | otherwise = error ("Prelude.chr: bad argument")
So a Haskell program that (perhaps inadvertently) uses a Unicode character
will fail with ghc.
When is ghc going to implement full Haskell? :)
--
-- Lennart
