[Haskell-cafe] unicode text libraries
duncan.coutts at googlemail.com
Tue Sep 29 06:23:02 EDT 2009
On Tue, 2009-09-29 at 10:48 +0200, Ketil Malde wrote:
> Johan Tibell <johan.tibell at gmail.com> writes:
> > I agree with Don. Also, I don't think that a Unicode type should
> > mention what encoding it uses as it's an implementation detail.
> Right. I see from the documentation that it uses Word16s (and presumably
> the utf-16 encoding). Out of curiosity, why was this particular
> encoding chosen, as opposed to utf-8 or utf-32/ucs-4? Any benchmarks or
> other information?
Yes, the choice was based on benchmarks. All three (UTF-8,16,32) were
implemented and benchmarked. You can read about the details in Tom
Harper's MSc thesis.
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