<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="">Richard’s suggestions is amount the better ones:<div class=""><br class=""></div><div class="">Of the symdiff ones I think I would lean towards:</div><div class=""><br class=""></div><div class=""><font face="Consolas" class=""><font size="2" class="">let symmetricDifference = </font><span class="Apple-tab-span" style="font-size: small; white-space: pre;"> </span><font size="2" class="">a.unionMinusIntersection(b)</font><span class="Apple-tab-span" style="font-size: small; white-space: pre;"> </span><font color="#438139" size="2" class="">// </font></font><font color="#438139" face="Consolas" size="2" class="">(a ∪ b) \ (a ∩ b) == a △ b</font></div><div class=""><font color="#438139" face="Consolas" size="2" class=""><br class=""></font></div><div class=""><font color="#438139" face="Consolas" size="2" class="">It is descriptive enough for those not familiar with the name “symmetricDifference”. </font></div><div class=""><font color="#438139" face="Consolas" size="2" class=""><br class=""></font></div><div class=""><font color="#438139" face="Consolas" size="2" class="">The fact that he keeps mutable names completely separate is a plus.</font></div><div class=""><font color="#438139" face="Consolas" size="2" class=""><br class=""></font></div><div class=""><font color="#438139" face="Consolas" size="2" class=""><br class=""></font></div><div class=""><font color="#438139" face="Consolas" size="2" class=""><br class=""></font><div><blockquote type="cite" class=""><div class="">On 2016-02-17, at 2:16:24, Dave Abrahams 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=""><br style="font-family: Helvetica; font-size: 12px; 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;" class=""><span style="font-family: Helvetica; font-size: 12px; 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="">on Tue Feb 16 2016, Xiaodi Wu <</span><a href="mailto:swift-evolution@swift.org" style="font-family: Helvetica; font-size: 12px; 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;" class="">swift-evolution@swift.org</a><span style="font-family: Helvetica; font-size: 12px; 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="">> wrote:</span><br style="font-family: Helvetica; font-size: 12px; 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;" class=""><br style="font-family: Helvetica; font-size: 12px; 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;" class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; 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;" class="">Not that I like it, but<br class="">insertNonIntersectingRemoveIntersectingContentsOf(_:) would be the<br class="">stylistically consistent way to convey the right sense.<br class=""></blockquote><br style="font-family: Helvetica; font-size: 12px; 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;" class=""><span style="font-family: Helvetica; font-size: 12px; 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="">Did you see Ricardo Parada's suggestions? I thought some of those were</span><br style="font-family: Helvetica; font-size: 12px; 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;" class=""><span style="font-family: Helvetica; font-size: 12px; 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="">better.</span><br style="font-family: Helvetica; font-size: 12px; 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;" class=""><br style="font-family: Helvetica; font-size: 12px; 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;" class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; 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;" class="">On Tue, Feb 16, 2016 at 10:22 AM Dave Abrahams via swift-evolution <<br class=""><a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>> wrote:<br class=""><br class=""><blockquote type="cite" class=""><br class="">on Mon Feb 15 2016, Brent Royal-Gordon <<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>> wrote:<br class=""><br class=""><blockquote type="cite" class="">I think you've ended up with the right approach, and I understand the<br class=""></blockquote>need to move on, but...<br class=""><blockquote type="cite" class=""><br class=""><blockquote type="cite" class=""> /// Returns the set of elements contained in `self` or in `other`,<br class=""></blockquote></blockquote>but not in both `self` and `other`.<br class=""><blockquote type="cite" class=""><blockquote type="cite" class=""> /// EXISTING: exclusiveOr<br class=""> @warn_unused_result<br class=""> func invertingIntersection(other: Self) -> Self<br class=""><br class=""> /// Replaces `self` with a set containing all elements contained in<br class=""></blockquote></blockquote>either `self` or `other`, but not both.<br class=""><blockquote type="cite" class=""><blockquote type="cite" class=""> /// EXISTING: exclusiveOrInPlace<br class=""> mutating func invertIntersection(other: Self)<br class=""></blockquote><br class="">I'm not quite happy with these. I don't like that the mutating form of<br class="">`intersection` is `intersect`, but the mutating form of<br class="">`invertingIntersection` is `invertIntersection`—it seems like both<br class="">methods should change the "intersection" part.<br class=""><br class="">Have you considered going the opposite direction and combining the verb<br class=""></blockquote>"intersect" with the adjective "inverse"?<br class=""><blockquote type="cite" class=""><br class=""> /// Returns the set of elements contained in `self` or in `other`,<br class=""></blockquote>but not in both `self` and `other`.<br class=""><blockquote type="cite" class=""> /// EXISTING: exclusiveOr<br class=""> @warn_unused_result<br class=""> func inverseIntersection(other: Self) -> Self<br class=""><br class=""> /// Replaces `self` with a set containing all elements contained in<br class=""></blockquote>either `self` or `other`, but not both.<br class=""><blockquote type="cite" class=""> /// EXISTING: exclusiveOrInPlace<br class=""> mutating func inverseIntersect(other: Self)<br class=""> // or perhaps even `inverselyIntersect` so it's an adverb<br class=""><br class="">I wouldn't be surprised if you did, because I could see you trying to<br class="">dodge the adverb problem, but I thought it was worth asking.<br class=""></blockquote><br class="">These names all have the wrong sense, including the ones that were<br class="">decided upon. “Inverting the intersection” doesn't imply that elements<br class="">not in the intersection will be merged, which is what happens in a<br class="">symmetric difference.<br class=""><br class="">--<br class="">-Dave<br class=""><br class="">_______________________________________________<br class="">swift-evolution mailing list<br class=""><a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a><br class="">https://lists.swift.org/mailman/listinfo/swift-evolution<br class=""><br class=""></blockquote>_______________________________________________<br class="">swift-evolution mailing list<br class=""><a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a><br class="">https://lists.swift.org/mailman/listinfo/swift-evolution<br class=""></blockquote><br style="font-family: Helvetica; font-size: 12px; 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;" class=""><span style="font-family: Helvetica; font-size: 12px; 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="">--<span class="Apple-converted-space"> </span></span><br style="font-family: Helvetica; font-size: 12px; 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;" class=""><span style="font-family: Helvetica; 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