<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Aug 10, 2016, at 8:15 PM, Xiaodi Wu 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="">I don't know if the core team feels differently now with respect to Swift 4, but union types are listed as a "commonly rejected change":<br class=""><br class=""><a href="https://github.com/apple/swift-evolution/blob/master/commonly_proposed.md" class="">https://github.com/apple/swift-evolution/blob/master/commonly_proposed.md</a><br class=""></div></blockquote></div><br class=""><div class="">There is no change in opinion here. &nbsp;This topic is also out of scope for Swift 4 stage 1 in any case.</div><div class=""><br class=""></div><div class="">-Chris</div></body></html>