Personally, I think this dovetails quite nicely with the ‘random’ discussion. Enums are just one kind of type with a finite set of values; Int and Bool also fit that description, as may many structs and even classes.
Having a general way to express that would be quite nice, IMO. - Karl > On 9. Dec 2017, at 06:19, Step Christopher via swift-evolution > <swift-evolution@swift.org> wrote: > > Has this stalled out again? I would like to help with the proposal and even > attempt implementation. > > I also need to catch up on the resilient discussion regarding enum case > ordering. > > On Nov 14, 2017, at 10:50 PM, Jacob Bandes-Storch via swift-evolution > <swift-evolution@swift.org <mailto:swift-evolution@swift.org>> wrote: > >> >> >> Jacob Bandes-Storch >> >> On Tue, Nov 14, 2017 at 9:06 PM, Brent Royal-Gordon <br...@architechies.com >> <mailto:br...@architechies.com>> wrote: >>> On Nov 14, 2017, at 5:21 PM, Xiaodi Wu <xiaodi...@gmail.com >>> <mailto:xiaodi...@gmail.com>> wrote: >>> >>> 1. It must be possible to easily access the count of values, and to access >>> any particular value using contiguous `Int` indices. This could be achieved >>> either by directly accessing elements in the list of values through an Int >>> subscript, or by constructing an Array from the list of values. >>> >>> 2. It must be possible to control the order of values in the list of >>> values, either by using source order or through some other simple, >>> straightforward mechanism. >>> >>> OK, first of all, nowhere in the proposal text are these requirements >>> stated as part of the use case. You're free to put forward new use cases, >>> but here I am trying to design the most elegant way to fulfill a stated >>> need and you're telling me that it's something other than what's written. >> >> Honestly, re-reading the proposal, it never cites a fully-formed use case. >> Instead, it cites several blog posts, Stack Overflow questions, and small >> code samples without digging in to the underlying reasons why developers are >> doing what they're doing. Most of the people discussing it so far seem to >> have had a tacit understanding that we wanted roughly Array-like access, but >> we haven't explicitly dug into which properties of an Array are important. >> >> (If anyone involved feels like they had a different understanding of the use >> case, please speak up.) >> >> I think this is a place where the proposal can be improved, and I'm willing >> to do some writing to improve it. >> >> For the record, I would be happy to add co-authors (or even relinquish >> authorship entirely—I don't really care whose name is on this, it just needs >> to happen!) if you or anyone else has improved wording, motivation, >> justification, etc. to contribute. >> _______________________________________________ >> swift-evolution mailing list >> swift-evolution@swift.org <mailto:swift-evolution@swift.org> >> https://lists.swift.org/mailman/listinfo/swift-evolution >> <https://lists.swift.org/mailman/listinfo/swift-evolution> > _______________________________________________ > swift-evolution mailing list > swift-evolution@swift.org > https://lists.swift.org/mailman/listinfo/swift-evolution
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