Counter example : <locale>

Good names, yet unusable

On Fri, 12 Apr 2019 at 06:10, Tom Honermann <tom_at_[hidden]> wrote:

> What is the motivation for having a namespace specific to text at all?
> Ranges needed a separate namespace in order to provide constrained
> interfaces that were, in most but not all cases, functionally equivalent to
> the non-constrained interfaces. New declarations were needed in order to
> avoid breaking backward compatibility. I don't see a similar motivation
> for text as the existing text related names 1) aren't great names, and 2)
> are for interfaces that we explicitly don't want to replicate. I think new
> interfaces deserve new names. I think it is also informative that none of
> the names proposed below recycle existing names in 'std'.
>
> Tom.
>
> On 3/30/19 5:11 PM, Lyberta wrote:
>
> Ranges has made a precedent that we can provide better versions of old
> functions by putting them into a separate namespace. It is general
> consensus that almost all current text related function are obsolete. We
> should consider a namespace for new ones.
>
> I think std::text fits this. This namespace would contain functions that
> are modern and can properly support Unicode (and other encodings!).
>
> There is also a precedent of my proposal and D1628 having separate
> namespace specifically for Unicode. Generally speaking, Unicode is a
> subset of text processing so in mathematical sense it would be obvious
> to put unicode namespace as std::text::unicode but here I agree that it
> is too much typing.
>
> So I propose the following:
>
> std::text for general purpose text algorithms (to be determined as we
> haven't even nailed the Unicode yet, but consider std::text::to_upper,
> std::text::is_alphanumeric).
> std::unicode for Unicode classes and algorithms. Everything in std::text
> should be able to work with classes from std::unicode.
>
> Then we can add more encodings under std or maybe right into std::text
> if they are too simple.
>
> Theoretical examples:
>
> std::ascii
> std::ebcdic
> std::shift_jis
>
>
>
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