<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=""><div><blockquote type="cite" class=""><div class="">On Jan 8, 2018, at 11:02 AM, Robert Widmann 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=""><span 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; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">As you note, integral types and Bool and some enums that fall outside the scope of the synthesis requirements fit this mold quite nicely. We do not include them in the proposal partially to keep things simple, partially because we’d be stepping on Range’s toes, and partially because synthesis for structs is tricky in the general case. If deemed particularly useful in the future, these conformance can be added.</span><br class="Apple-interchange-newline"></div></blockquote></div><div class=""><br class=""></div><div class="">For what it's worth, I *might* introduce a follow-up proposal with conformances for Bool and Optional. Their straightforwardness and utility make them very tempting.</div><div class=""><br class=""></div><div class="">(The only questions are whether `false` and `nil` should be first or last. But if the default isn't right for your use case, you can always make your own static property instead of using the standard library's.)</div><br class=""><div class="">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class=""><div style="font-size: 12px; " class="">-- </div><div style="font-size: 12px; " class="">Brent Royal-Gordon</div><div style="font-size: 12px; " class="">Architechies</div></div></span>
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