[swift-evolution] InternalString class for easy String manipulation

[Félix Cloutier]

I'm not sure I understand your comment. UTF-8 and UTF-16 are just two different ways to represent Unicode data, and they can both encode the whole range of Unicode. Of course you'll have problems if you try to interpret UTF-8 as UTF-16 and vice-versa, but that'll do you regardless of whether you use international characters or not.Félix 

    On Thursday, August 18, 2016 9:33 AM, Kenny Leung via swift-evolution <swift-evolution at swift.org> wrote:
 

 >> Just because you are using UTF-8 as the internal format, it does not mean that universal support is guaranteed.

All I meant was this, and nothing more. If the internal format was UTF-8, and you were using a filesystem whose filenames were UTF-16, you would have the same problems.

-Kenny


> On Aug 17, 2016, at 10:40 PM, Félix Cloutier <felixcca at yahoo.ca> wrote:
> 
>> In Félix’s case, I would expect to have to ask for a mail-friendly representation of his name, just like you have to ask for a filesystem-friendly representation of a filename regardless of what the internal representation is. Just because you are using UTF-8 as the internal format, it does not mean that universal support is guaranteed.
> 
> Would you imagine if "n" turned out to be poorly supported by systems throughout the world and dead-serious people argued that it's too hard for beginners?
> 
> "Filesystem-friendly" and "email-friendly" names are not backed by modern standards. You can have essentially any character that you like in a file name save for the directory separator on almost every platform out there (except on Windows, but the constraints are implemented in a layer above NTFS), and addresses like félix at ... are RFC-legal. Restrictions are merely wished into existence by programmers who don't want to complicate their mental model of text processing, to everyone else's detriment.
> 
> Félix

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