Phobos strings versus C++ Boost
Brad Anderson
eco at gnuk.net
Sat Jan 11 10:14:23 PST 2014
On Saturday, 11 January 2014 at 12:47:12 UTC, Michel Fortin wrote:
> On 2014-01-11 07:50:54 +0000, "Brad Anderson" <eco at gnuk.net>
> said:
>
>> 1. They have case-insensitive versions of pretty much
>> everything.
>> It's not hard to do a map!toLower/toUpper in D but it's also
>> not
>> obvious (nor do I know if that's actually correct in languages
>> outside of english).
>
> Uppercase, lowercase, and case-insensitive comparison is
> locale-dependent for Unicode. In the general case you can't
> just compare the lowercase/uppercase versions. For instance,
> look at the Turkish i/İ and ı/I (dot-less i), or the German
> ß/SS ss/SS pairs. Also, if you're sorting in alphabetical order
> you probably want to do something special with diacritics.
>
> The correct way to to this is to implement the Unicode
> Collation Algorithm:
> http://www.unicode.org/reports/tr10/
I thought it was probably more complicated than that.
Looks like Dmitry put it in the tracker:
http://d.puremagic.com/issues/show_bug.cgi?id=10566
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