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: buffer1.nntp.dca1.giganews.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!goblin3!goblin.stu.neva.ru!news.cs.hut.fi!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail From: "Jeffrey R. Carter" Newsgroups: comp.lang.ada Subject: Re: Running a preprocessor from GPS? Date: Sat, 1 Aug 2015 17:02:26 -0700 Organization: Also freenews.netfront.net; news.tornevall.net; news.eternal-september.org Message-ID: References: <91f88d79-197c-419f-84a8-908e05967a2c@googlegroups.com> <135c2b00-d13c-4f5d-a586-8aca442d363b@googlegroups.com> <87380683vc.fsf@adaheads.sparre-andersen.dk> <347c6be9-c918-4bc0-9494-c93cd6740def@googlegroups.com> <4cb32c40-f659-490d-bbb6-73585fc069e8@googlegroups.com> <7e653a88-e690-431a-9df9-3fc691466e08@googlegroups.com> <25e8deb9-a967-4856-97cb-4257e1ba7fa4@googlegroups.com> <84debe67-b26c-40c6-93ae-a2dec28f081b@googlegroups.com> <83abe7a5-69d6-4443-a976-f3b3fbed892a@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Injection-Date: Sun, 2 Aug 2015 00:00:54 +0000 (UTC) Injection-Info: mx02.eternal-september.org; posting-host="ee44d3db9c41f5ad88d7e8e8f0268f05"; logging-data="21190"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19fEKa6IZE8OpzBNOkU9Pf0fB46W8nluew=" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 In-Reply-To: <83abe7a5-69d6-4443-a976-f3b3fbed892a@googlegroups.com> Cancel-Lock: sha1:j3srktxnK19LT2qz4aZ4IRs5tdk= Xref: number.nntp.giganews.com comp.lang.ada:194618 Date: 2015-08-01T17:02:26-07:00 List-Id: On 08/01/2015 04:39 PM, EGarrulo wrote: > > It is more than that. The "Applicability" for the Singleton patterns requires > that "the sole instance should be extensible by sub-classing, and clients should > be able to use an extended instance without modifying their code." In other > words: if you don't need sub-classing, then you don't need the complications of > the Singleton pattern. You never need programming by extension. -- Jeff Carter "I don't know why I ever come in here. The flies get the best of everything." Never Give a Sucker an Even Break 102