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=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f43e6,9a0ff0bffdf63657 X-Google-Attributes: gidf43e6,public X-Google-Thread: 1108a1,9a0ff0bffdf63657 X-Google-Attributes: gid1108a1,public X-Google-Thread: fac41,9a0ff0bffdf63657 X-Google-Attributes: gidfac41,public X-Google-Thread: 103376,4b06f8f15f01a568 X-Google-Attributes: gid103376,public From: "Robert Martin" Subject: Re: Software landmines (loops) Date: 1998/09/06 Message-ID: <6su6kg$d5t$1@hirame.wwa.com>#1/1 X-Deja-AN: 388411277 References: <902934874.2099.0.nnrp-10.c246a717@news.demon.co.uk> <6r1glm$bvh$1@nnrp1.dejanews.com> <6r9f8h$jtm$1@nnrp1.dejanews.com> <6renh8$ga7$1@nnrp1.dejanews.com> <6rf59b$2ud$1@nnrp1.dejanews.com> <6rfra4$rul$1@nnrp1.dejanews.com> <35DBDD24.D003404D@calfp.co.uk> <6sbuod$fra$1@hirame.wwa.com> <35f51e53.48044143@ <904556531.666222@miso.it.uq.edu.au> <6sgror$je8$3@news.indigo.ie> <6sh3qn$9p2$1@hirame.wwa.com> <6shbca$66c$1@news.indigo.ie> <6shhq7$lut$1@hirame.wwa.com> <6sjbso$1lk$2@news.indigo.ie> <6sjijg$36r$1@hirame.wwa.com> <6skhcm$1dr$2@news.indigo.ie> <6skqf3$9g0$1@hirame.wwa.com> <6smmhv$1kp$1@nnrp1.dejanews.com> <6smsi3$n8i$1@hirame.wwa.com> <35EEBA15.30C3CC76@tisny.com> <6sn2lv$t6m$1@hirame.wwa.com> <35F24AC9.40FE817C@earthlink.net> X-MimeOLE: Produced By Microsoft MimeOLE V4.72.2106.4 Organization: WorldWide Access - Midwestern Internet Services - www.wwa.com Newsgroups: comp.lang.eiffel,comp.object,comp.software-eng,comp.lang.ada Date: 1998-09-06T00:00:00+00:00 List-Id: Charles Hixson wrote in message <35F24AC9.40FE817C@earthlink.net>... >Ray Blaak wrote: >... >> A compromise that allows both positive logic and reduced nesting is to >> calculate a guard value, and only do the work if the guard is true: >> >> doit := (A is right); >> doit := doit and (B is right); >> doit := doit and (C is right); >> if doit then do the work; >> >> -- >> Cheers, The Rhythm is around me, >> The Rhythm has control. >> Ray Blaak The Rhythm is inside me, >> blaak@infomatch.com The Rhythm has my soul. > >It may be just me, but I find this final example to be the least >intelligible of the variants offered. Yes, it is structured. But it's >harder to understand. Which demonstrates how subjective intelligibility is. I find the above quite clear. It can easily be rephrased as: if ((A is right) and (B is right) and (C is right)) then do the work; Which, to me, is the ultimate in clarity. Clarity, intelligibility, understandability, readablility... All these things are subjective. Robert C. Martin | Design Consulting | Training courses offered: Object Mentor | rmartin@oma.com | Object Oriented Design 14619 N Somerset Cr | Tel: (800) 338-6716 | C++ Green Oaks IL 60048 | Fax: (847) 918-1023 | http://www.oma.com "One of the great commandments of science is: 'Mistrust arguments from authority.'" -- Carl Sagan