<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 6 Apr 2016, at 18:57, Xiaodi Wu 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=""><span style="font-family: -webkit-standard; font-size: inherit; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Meanwhile, I was trying to talk about something like `stride(from: 200, to: 0, by: -2)`, which is easily expressed today but isn't straightforward at all to preserve with only ranges.</span></div></blockquote></div><br class=""><div class="">Precisely because the free function is also range-free, the sign of the step need not repeat the direction intent which is already indicated with `from: 200, to: 0`. In other words, I think this is much more intuitive:</div><div class=""><br class=""></div><div class=""> `stride(from: 200, to: 0, by: 2)`</div><div class=""><br class=""></div><div class="">milos</div></body></html>