From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: border1.nntp.dca1.giganews.com!nntp.giganews.com!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!feeder.erje.net!eu.feeder.erje.net!news.swapon.de!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail From: Simon Wright Newsgroups: comp.lang.ada Subject: Re: Queue implementation in Ada Date: Tue, 28 Oct 2014 21:27:41 +0000 Organization: A noiseless patient Spider Message-ID: References: <8456b674-a10d-411f-bcf6-90d9638b7fc9@googlegroups.com> <9sd2vpz1poca$.vxcydglas2sm$.dlg@40tude.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: mx02.eternal-september.org; posting-host="e614caa3bbcdcdac946afd88f128a08d"; logging-data="10155"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19cbxwLR/wz5fU/ljP1IZ/HL51alxESgB0=" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (darwin) Cancel-Lock: sha1:VFo/4XV+FJtGQxMVp0oni2+qzoI= sha1:u5L0crKLkbwMIMsHTYF6iE6XRJk= Xref: number.nntp.giganews.com comp.lang.ada:190180 Date: 2014-10-28T21:27:41+00:00 List-Id: "Dmitry A. Kazakov" writes: > Doubly-linked list has O(1) at any of its ends (and at any element in > between). The Booch Components are a counter-example to this assertion (I'm not in any way saying that that's a good thing!); Append is indeed O(n).