<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Well, write up a proposal and <a href="https://github.com/apple/swift-evolution/blob/master/process.md" class="">submit it</a> to swift-evolution and let people discuss it.<div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><span style="font-family: Alegreya-Regular;" class="">I’m sorry we are spending so much time discussing why this may be difficult for *someone* (because it likely won’t be us) to implement.</span></blockquote><div class=""><br class=""></div>Welcome to the world of bike-shedding. It’s not difficult to implement this, it’s difficult to design, because people have different needs and expectations. For a feature to go into a core library, there needs to be a strong enough need and there also needs to be agreement about how it should behave.<br class=""><div class=""><br class=""></div><div class="">—Jens</div></div></body></html>