<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=""><div><blockquote type="cite" class=""><div class="">On Jun 24, 2016, at 3:00 PM, Haravikk via swift-evolution <<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>> wrote:</div><div class=""><div class="" style="font-family: HelveticaNeue; font-size: 12px; font-style: normal; font-variant-caps: 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;"><span class="Apple-tab-span" style="white-space: pre;"> </span> <span class="" style="color: rgb(187, 44, 162);">for</span> colinearSegment <span class="" style="color: rgb(187, 44, 162);">in</span> remainingSegments <span class="" style="color: rgb(187, 44, 162);">where</span> colinearS<span class="" style="color: rgb(49, 89, 93);"><span class="" style="">egment.angle.isEssentially</span></span>(angle: segment.<span class="" style="color: rgb(79, 129, 135);">angle</span>) { // Is parameter name even necessary?</div></div></blockquote></div><br class=""><div class="">My terminology sucks because I don’t remember math terms but basically I’m trying to distinguish between angles of rays (0..<360º) and angles of lines (0..<180º). Because, like, if you have a line at 45º and another at 225º, well, they’re either collinear or parallel.</div><div class=""><br class=""></div><div class="">So I call the variants “rayAngle:” and “infiniteLineAngle:”. Not my finest hour.</div><div class=""><br class=""></div><div class="">-W</div></body></html>