is there a roadmap for strings + unicode in swift 5?

will unicode normalization and other functionality be available in the standard 
library?

https://docs.oracle.com/javase/8/docs/api/java/text/Normalizer.html

https://www.unicode.org/reports/tr31/

http://www.unicode.org/reports/tr44/

http://www.unicode.org/reports/tr18/

--
C. Keith Ray
Senior Software Engineer / Trainer / Agile Coach
* http://www.thirdfoundationsw.com/keith_ray_resume_2014_long.pdf



> On Oct 28, 2017, at 10:48 AM, Michael Ilseman via swift-evolution 
> <[email protected]> wrote:
> 
> We are definitely looking at it, soon. Right now (working on Swift 4.1), most 
> of the String focus is on ABI-critical concerns, but better String APIs and 
> programming models is a focus area for Swift 5.
> 
> 
> 
>> On Oct 25, 2017, at 3:34 PM, Kelvin Ma via swift-evolution 
>> <[email protected] <mailto:[email protected]>> wrote:
>> 
>> I don’t think anyone is really looking at that at the time but +1 to 
>> bringing NSString functionality to String. This is something that gets 
>> talked about a lot but no one has really sat down to outline what such an 
>> API would look like. 
>> 
>> On Wed, Oct 25, 2017 at 3:24 PM, David Hart via swift-evolution 
>> <[email protected] <mailto:[email protected]>> wrote:
>> 
>> > On 25 Oct 2017, at 15:29, Matthew Johnson via swift-evolution 
>> > <[email protected] <mailto:[email protected]>> wrote:
>> >
>> >
>> >
>> > Sent from my iPad
>> >
>> >> On Oct 24, 2017, at 5:55 PM, Slava Pestov via swift-evolution 
>> >> <[email protected] <mailto:[email protected]>> wrote:
>> >>
>> >> I think to maintain source compatibility, the old behavior would be 
>> >> preserved until/if we remove -swift-version 4 mode. By deprecating it 
>> >> though, we won’t have to devote as much time to maintaining it going 
>> >> forward.
>> >
>> > I think the point is that some of the APIs should continue to be offered, 
>> > but directly rather than via NSString.  We need an analysis of what APIs 
>> > are affected that includes recommendations on which to deprecate and which 
>> > to replace.  We can’t make an informed decision without that.
>> 
>> This is also closely linked to the new String APIs which the String 
>> Manifesto touched upon but never got implemented. It’d be nice to know what 
>> plans the Standard Library team has in that regard for Swift 5.
>> 
>> >>
>> >> Slava
>> >>
>> >>> On Oct 24, 2017, at 3:54 PM, Philippe Hausler <[email protected] 
>> >>> <mailto:[email protected]>> wrote:
>> >>>
>> >>> I think any serious proposal with the removal of APIs would need to 
>> >>> consider source compatibility and to do so you should likely audit the 
>> >>> API surface area that is being offered (and replace it via the 
>> >>> NSStringAPI.swift extension)
>> >>>
>> >>>> On Oct 24, 2017, at 3:12 PM, Slava Pestov via swift-evolution 
>> >>>> <[email protected] <mailto:[email protected]>> wrote:
>> >>>>
>> >>>> Perhaps you could write up a proposal to outline the missing 
>> >>>> functionality :-)
>> >>>>
>> >>>> Slava
>> >>>>
>> >>>>> On Oct 24, 2017, at 3:09 PM, Jonathan Hull <[email protected] 
>> >>>>> <mailto:[email protected]>> wrote:
>> >>>>>
>> >>>>> I would feel better about it if String gained a lot of the utility of 
>> >>>>> NSString (so that we don’t have to go to NSString all the time for 
>> >>>>> methods)
>> >>>>>
>> >>>>> Thanks,
>> >>>>> Jon
>> >>>>>
>> >>>>>> On Oct 24, 2017, at 3:00 PM, Slava Pestov via swift-evolution 
>> >>>>>> <[email protected] <mailto:[email protected]>> wrote:
>> >>>>>>
>> >>>>>> Hi,
>> >>>>>>
>> >>>>>> Members of NSString, except those defined in Foundation, are 
>> >>>>>> available on values of type String. For example,
>> >>>>>>
>> >>>>>> extension NSString {
>> >>>>>> @objc func foo() {}
>> >>>>>> }
>> >>>>>>
>> >>>>>> let s: String = “hello”
>> >>>>>>
>> >>>>>> s.foo()
>> >>>>>>
>> >>>>>> We don’t do this for any other bridged types, for instance NSArray 
>> >>>>>> methods are not imported as Array methods. It’s literally a special 
>> >>>>>> case in the type checker for member lookup on String.
>> >>>>>>
>> >>>>>> This behavior doesn’t really much sense conceptually and it was put 
>> >>>>>> in as a stop-gap in Swift 1 to beef up the String API. I would like 
>> >>>>>> to phase it out as follows:
>> >>>>>>
>> >>>>>> - Unconditional warning in Swift 4.1, with a fixit to insert an ‘as 
>> >>>>>> NSString’ cast
>> >>>>>> - Error in Swift 5 with -swift-version 5
>> >>>>>>
>> >>>>>> What does everyone think about this?
>> >>>>>>
>> >>>>>> Slava
>> >>>>>> _______________________________________________
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>> >>>>>> https://lists.swift.org/mailman/listinfo/swift-evolution 
>> >>>>>> <https://lists.swift.org/mailman/listinfo/swift-evolution>
>> >>>>>
>> >>>>
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>> >>>
>> >>
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