<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="">I'm good with that.<div class=""><br class=""></div><div class="">+1</div><div class=""><br class=""></div><div class="">-- E</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Feb 11, 2016, at 12:43 PM, Jacob Bandes-Storch <<a href="mailto:jtbandes@gmail.com" class="">jtbandes@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Just thinking out loud here:<div class=""><br class=""></div><div class="">"x's intersection with y" makes sense. So "x.intersection(with: y)" makes sense. That's already in Dave's diff.</div><div class=""><br class=""></div><div class="">Unfortunately the same doesn't work well for "x's union with y" — should "x.union(with: y)" be a mutating or nonmutating operation? Hard to tell.</div><div class=""><br class=""></div><div class="">How about we just move to ∪ and ∪= operators and call it a day? :-)</div><div class=""><div class=""><div class="gmail_extra">
<br class=""><div class="gmail_quote">On Thu, Feb 11, 2016 at 11:36 AM, Erica Sadun <span dir="ltr" class=""><<a href="mailto:erica@ericasadun.com" target="_blank" class="">erica@ericasadun.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><div class="">Assuming one would want to avoid the -ed suffix (and also -ing), one might consider:</div><div class=""><br class=""></div><div class="">* intersectionOf(), orOf(), unionOf() (or "With" over "Of")</div><div class="">* setIntersection(), setOr(), setUnion(),</div><div class="">* intersectionResult(), orResult(), unionResult(),</div><div class="">etc</div><span class=""><font color="#888888" class=""><div class=""><br class=""></div><div class="">-- E</div></font></span><div class=""><div class="h5"><div class=""><br class=""></div><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Feb 11, 2016, at 12:28 PM, Jacob Bandes-Storch <<a href="mailto:jtbandes@gmail.com" target="_blank" class="">jtbandes@gmail.com</a>> wrote:</div><br class=""><div class=""><div dir="ltr" class="">"intersected" sounds okay to me. "unioned" is borderline, and "ored" is not something I'd want in the standard library. Neither is "oring".<div class="gmail_extra">
<br class=""><div class="gmail_quote">On Thu, Feb 11, 2016 at 11:25 AM, Erica Sadun <span dir="ltr" class=""><<a href="mailto:erica@ericasadun.com" target="_blank" class="">erica@ericasadun.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><div class="">I see the -ed versions as short for -edSet, with the Set being implied. Under this reasoning, unioned == unionedSet, intersected == intersectedSet, thus acting as nouns not verbs, and used for non-mutating application.</div><div class=""><br class=""></div><div class="">inPlace is only for mutating application. I mildly prefer the shorter union to unionInPlace, although I could argue both sides. (The latter is clearer but longer, the former is the short verb action that the whole guideline thing is supposed to endorse.)</div><span class=""><font color="#888888" class=""><div class=""><br class=""></div><div class="">-- E</div></font></span><div class=""><div class=""><div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><div class="">On Feb 11, 2016, at 12:19 PM, Jacob Bandes-Storch <<a href="mailto:jtbandes@gmail.com" target="_blank" class="">jtbandes@gmail.com</a>> wrote:</div><br class=""><div class=""><div dir="ltr" class=""><div class="gmail_extra"><div class="gmail_quote">On Thu, Feb 11, 2016 at 11:09 AM, Erica Sadun via swift-evolution <span dir="ltr" class=""><<a href="mailto:swift-evolution@swift.org" target="_blank" class="">swift-evolution@swift.org</a>></span> wrote:<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><div class=""><b class="">Non-Mutating, returning new value</b>: unioned(with), intersected(with), exclusiveOred(with)</div><div class=""><br class=""></div><div class="">Reasoning:</div><div class=""><br class=""></div><div class="">* <b class="">I think the -ing endings sound unnatural, stilted, and unmathematical. </b>They make me wince.</div></div></blockquote><div class=""><br class=""></div><div class="">So do the -ed versions, IMO. That's why -InPlace is such a convenient suffix.</div><div class=""><br class=""></div><div class="">Jacob</div></div></div></div>
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