[Haskell-cafe] Re: how to use a literal string with bystring useAsCString

minh thu noteed at gmail.com
Mon Feb 9 13:58:36 EST 2009

2009/2/9 Colin Adams <colinpauladams at googlemail.com>:
> 2009/2/9 minh thu <noteed at gmail.com>:
>> Anyway, I'd like to get my utf-8 string to C but in ascii (or latin1).
>> How can do this ?
> You can't (in general).
> If the data just happens to be ascii, then your utf-8 string will BE
> ascii (there is no way to tell the difference). If it just happens to
> be in the range of latin-1(all codepoints 0-255), then you have to
> convert it to latin-1. But otherwise, you are stuck.

That's what I thought, but in the code attached before, the output of
the program is not what is expected, i.e. I have :
Why ?


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