<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=""><div><blockquote type="cite" class=""><div class="">On May 17, 2016, at 8:30 PM, Chris Lattner via swift-evolution &lt;<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>&gt; wrote:</div><div class=""><div class="">Hello Swift community,<br class=""><br class="">The review of "SE-0077: Improved operator declarations" begins now and runs through May 23. The proposal is available here:<br class=""><br class=""><span class="Apple-tab-span" style="white-space:pre">        </span><a href="https://github.com/apple/swift-evolution/blob/master/proposals/0077-operator-precedence.md" class="">https://github.com/apple/swift-evolution/blob/master/proposals/0077-operator-precedence.md</a><br class=""></div></div></blockquote></div><br class=""><div class="">The transitivity rule plus the ability to define precedence relationships in both directions on a new precedence group allows a new precedence group to create a precedence relationship between existing unrelated precedence groups. &nbsp;This should be forbidden.</div><div class=""><br class=""></div><div class="">What's the purpose of equality relationships between precedence groups?</div><div class=""><br class=""></div><div class="">Your proposal should call out the special treatment of the Assignment and Ternary groups.</div><div class=""><br class=""></div><div class="">John.</div></body></html>