Bayley, Alistair wrote:
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Stefan O'Rear
fromUTF8Ptr unboxes fine for me with HEAD and 6.6.1.
- the chr function tests that its Int argument is less than 1114111,
before constructing the Char. It'd be nice to avoid this test.
You want unsafeChr from the (undocumented) GHC.Base module.
http://darcs.haskell.org/ghc-6.6/packages/base/GHC/Base.lhs for
reference (but don't copy the file, it's already an
importable module).
<odd duplicated simplifier output)
ISTR seeing a bug report about this a while back, we know it's dumb.
You could probably use x < 0xF8 instead.
FWIW,
I've optimised this to a point where I'm happy with it, and you can see
the results here:
http://darcs.haskell.org/takusen/Foreign/C/UTF8.hs
In that code you have:
| x <= 0x0010FFFF -- should be 0x001FFFFF
I wasn't aware that the largest unicode code point had changed. Do you
have a reference? Should we change the range of Char in GHC?
Cheers,
Simon
_______________________________________________
Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
http://www.haskell.org/mailman/listinfo/haskell-cafe
