<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=""><br class=""><div><blockquote type="cite" class=""><div class="">On Oct 28, 2017, at 9:00 PM, Andrew Thompson 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=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Swift Evolution,<div class=""><br class=""></div><div class="">Property Behaviors are a really neat feature and it’s unfortunate that it’s progress seems to have stopped.</div><div class=""><br class=""></div><div class="">Located <a href="https://github.com/Mrwerdo/SwiftyIdeas/blob/master/PropertyBehaviors.md" class="">here</a> are my thoughts on Property Behaviors that I hope will stimulate the refinement of the proposal.</div><div class=""><br class=""></div><div class="">If anyone has any feedback on it, I’d greatly appreciate it, and if anyone wants to collaborate with me on it, I’d appreciate it even more so!</div></div></div></blockquote><br class=""></div><div>I’m also really looking forward to property behaviors happening. That said, it is a huge amount of work to define and implement this feature with a lot of tie ins to other parts of the language. I can’t imagine it happening this year.</div><div><br class=""></div><div>Randomly, I suspect that they’ll be recast as “property macros” when they come back up for consideration. Perhaps our first hygenic macro?</div><div><br class=""></div><div>-Chris</div><div><br class=""></div><br class=""></body></html>