<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>While that is true, I suspect with the race to a stable language, the plan is to design features as if the language were to stay solid. I wonder about the wisdom in designing part of the language to handle the fact they are not finished designing the language.</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Perhaps as an compromise, they could treat different versions of swift as features in and of themselves?</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">- Rod</div><div><br>On 21 Dec 2015, at 7:33 AM, Radosław Pietruszewski via swift-evolution &lt;<a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a>&gt; wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html charset=utf-8"><div class="">But the thing is, right now it’s not just new features that show up in new releases. We also have breaking syntax changes.</div><div class=""><br class=""></div><div class="">Feature detection make more sense in the future (perhaps one day we could have an “unstable” Swift branch with experimental features), but right now version detection makes more sense.</div><br class=""><div class="">
<div class="">— Radek</div>
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<br class=""><div><blockquote type="cite" class=""><div class="">On 20 Dec 2015, at 20:28, James Campbell via swift-evolution &lt;<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>&gt; wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">I think we should be moving towards feature detection over swift version detection</span></div></blockquote></div><br class="">
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