<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">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.<div class=""><br class=""></div><div class="">Having a general way to express that would be quite nice, IMO.</div><div class=""><br class=""></div><div class="">- Karl<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 9. Dec 2017, at 06:19, Step Christopher via swift-evolution <<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="content-type" content="text/html; charset=utf-8" class=""><div dir="auto" class=""><div class=""></div><div class="">Has this stalled out again? I would like to help with the proposal and even attempt implementation. </div><div class=""><br class=""></div><div class="">I also need to catch up on the resilient discussion regarding enum case ordering. </div><div class=""><br class="">On Nov 14, 2017, at 10:50 PM, Jacob Bandes-Storch via swift-evolution <<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>> wrote:<br class=""><br class=""></div><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><br class=""><div class="gmail_extra"><br clear="all" class=""><div class=""><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class="">Jacob Bandes-Storch<br class=""></div></div></div></div>
<br class=""><div class="gmail_quote">On Tue, Nov 14, 2017 at 9:06 PM, Brent Royal-Gordon <span dir="ltr" class=""><<a href="mailto:brent@architechies.com" target="_blank" class="">brent@architechies.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space" class=""><div class=""><span class=""><blockquote type="cite" class=""><div class="">On Nov 14, 2017, at 5:21 PM, Xiaodi Wu <<a href="mailto:xiaodi.wu@gmail.com" target="_blank" class="">xiaodi.wu@gmail.com</a>> wrote:</div><br class="m_40430440677206812Apple-interchange-newline"><div class=""><div dir="ltr" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" class=""><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space" class=""><div class="">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.</div><div class=""><br class=""></div><div class="">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.</div></div></blockquote><div class=""> </div><div class="">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.</div></div></div></div></div></blockquote><div class=""><br class=""></div></span><div class="">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.</div><div class=""><br class=""></div><div class="">(If anyone involved feels like they had a different understanding of the use case, please speak up.)</div><div class=""><br class=""></div><div class="">I think this is a place where the proposal can be improved, and I'm willing to do some writing to improve it.</div></div></div></blockquote><div class=""><br class=""></div><div class="">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.</div></div></div></div>
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