<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=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jan 6, 2016, at 3:42 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="">Oops, I forgot this existed.<div class=""><br class=""></div><div class="">I'm assuming you're recommending popLast for performance reasons? Unfortunately, for a </div></div></div></blockquote><div><br class=""></div><div>…double-ended…</div><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class="">queue, you'll need either insertAtIndex(0)/popLast or append()/popLast (or a different data structure)…</div></div></div></blockquote><div><br class=""></div>Yes, the standard library should acquire a Deque data structure at some point.</div><div><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class="gmail_extra"><br clear="all" class=""><div class=""><div class="gmail_signature"><div dir="ltr" class=""><div class="">Jacob<br class=""></div></div></div></div>
<br class=""><div class="gmail_quote">On Wed, Jan 6, 2016 at 3:41 PM, Dave Abrahams via swift-evolution <span dir="ltr" class=""><<a href="mailto:swift-evolution@swift.org" target="_blank" class="">swift-evolution@swift.org</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="">That method exists and is called popFirst<div class=""><br class=""></div><div class="">However, if you have an Array I suggest using popLast instead if you have the choice :-)</div><div class=""><br class=""><div class=""><blockquote type="cite" class=""><div class=""><div class="h5"><div class="">On Jan 6, 2016, at 9:36 AM, James Campbell via swift-evolution <<a href="mailto:swift-evolution@swift.org" target="_blank" class="">swift-evolution@swift.org</a>> wrote:</div><br class=""></div></div><div class=""><div class=""><div class="h5"><div dir="ltr" class="">If you call removeFirst and the array is empty it would be great if it was optional so it could return nil or at least it threw an error so you could handle that case.<br clear="all" class=""><div class=""><br class=""></div>-- <br class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div dir="ltr" class=""><div class=""><span style="font-size:16px;line-height:19.2px" class=""></span><span style="font-size:12.8px" class=""> Wizard</span><br class=""></div><div class=""><a href="mailto:james@supmenow.com" target="_blank" class="">james@supmenow.com</a></div><div class=""><a href="tel:%2B44%207523%20279%20698" value="+447523279698" target="_blank" class="">+44 7523 279 698</a></div></div></div></div></div></div>
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