<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Dec 16, 2017, at 4:34 PM, Nevin Brackett-Rozinsky via swift-users <<a href="mailto:swift-users@swift.org" class="">swift-users@swift.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div style="font-family: HelveticaNeue; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><font face="monospace, monospace" class="">public extension MutableCollection where Self: RandomAccessCollection, IndexDistance == Int {</font></div><br class="Apple-interchange-newline"></div></blockquote></div><br class=""><div class="">IndexDistance == Int is an over-constraint, FWIW. Adding it is generally a mistake. Not a serious one, but it does limit utility somewhat.</div><div class=""><br class=""></div><div class="">HTH,</div><div class="">Dave</div></body></html>