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=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,ac39a12d5faf5b14 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2002-04-20 23:09:05 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!kibo.news.demon.net!news.demon.co.uk!demon!pogner.demon.co.uk!zap!not-for-mail From: Simon Wright Newsgroups: comp.lang.ada Subject: Re: Grace and Maps (was Re: Development process in the Ada community) Date: 21 Apr 2002 06:49:03 +0100 Organization: Pushface Message-ID: References: <3CB46975.90408@snafu.de> <3CBAFFEE.2080708@snafu.de> <4519e058.0204171036.6f0a7394@posting.google.com> <3CBDD795.4060706@snafu.de> <4519e058.0204180800.44fac012@posting.google.com> <3CBF0341.8020406@mail.com> <4519e058.0204190529.559a47ae@posting.google.com> <3CC1C6B3.6060306@telepath.com> <3CC21747.5000501@telepath.com> NNTP-Posting-Host: localhost X-NNTP-Posting-Host: pogner.demon.co.uk:158.152.70.98 X-Trace: news.demon.co.uk 1019369292 nnrp-08:6640 NO-IDENT pogner.demon.co.uk:158.152.70.98 X-Complaints-To: abuse@demon.net Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii NNTP-Posting-Date: 21 Apr 2002 05:49:03 GMT User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.1 Xref: archiver1.google.com comp.lang.ada:22856 Date: 2002-04-21T05:49:03+00:00 List-Id: Ted Dennison writes: > Maps shall provide for key lookup in no worse than O(logn) average > time and O(n) worst case (where n is the # of elements in the map). > > Maps shall provide for creation of a sorted list or array, or > traversal in sorted order, in no worse than O(n) time. (In other > words, the map is kept sorted as elements are added). I was quite surprised by the idea that a map had to (be|behave as though it was) implemented using a sorted vector of keys ..