[lisp相关文档].tutorial.on.good.lisp.programming.style

[lisp相关文档].tutorial.on.good.lisp.programming.style

ID:34445476

大小:320.75 KB

页数:116页

时间:2019-03-06

[lisp相关文档].tutorial.on.good.lisp.programming.style_第1页
[lisp相关文档].tutorial.on.good.lisp.programming.style_第2页
[lisp相关文档].tutorial.on.good.lisp.programming.style_第3页
[lisp相关文档].tutorial.on.good.lisp.programming.style_第4页
[lisp相关文档].tutorial.on.good.lisp.programming.style_第5页
资源描述:

《[lisp相关文档].tutorial.on.good.lisp.programming.style》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库

1、LispUsersandVendorsConferenceAugust10,1993TutorialonGoodLispProgrammingStylePeterNorvigSunMicrosystemsLabsInc.KentPitmanHarlequin,Inc.cPortionscopyright1992,1993PeterNorvig.cPortionscopyright1992,1993KentM.Pitman.AllRightsReserved.1Outline1.WhatisGoodStyle?2.TipsonBuilt-InFunctionality3.Tipso

2、nNear-StandardTools4.KindsofAbstraction5.ProgrammingintheLarge6.Miscellaneous21.WhatisGoodStyle?GoodLispProgrammingStyleEleganceisnotoptional."{RichardA.O'KeefeGoodstyle(inanylanguage)leadstoprogramsthatare:UnderstandableReusableExtensibleEcientEasytodevelop/debugItalsohelpscorrectness

3、,robustness,compatibilityOurmaximsofgoodstyleare:BeexplicitBespeci cBeconciseBeconsistentBehelpful(anticipatethereader'sneeds)Beconventional(don'tbeobscure)BuildabstractionsatausablelevelAllowtoolstointeract(referentialtransparency)Goodstyleistheunderware"thatsupportsaprogram31.1.Whe

4、redoesgoodstylecomefrom?WhatToBelieveDon'tbelieveeverythingwetellyou.(Justmost.)Worrylessaboutwhattobelieveandmoreaboutwhy.KnowwhereyourStyleRules"comefrom:Religion,Goodvs.EvilThiswayisbetter."PhilosophyThisisconsistentwithotherthings."Robustness,Liability,Safety,EthicsI'llputinredunda

5、ntcheckstoavoidsomethinghorrible."LegalityOurlawyerssaydoitthisway."Personality,OpinionIlikeitthisway."CompatibilityAnothertoolexpectsthisway."PortabilityOthercompilerspreferthisway."Cooperation,ConventionIthastobedonesomeuniformway,soweagreedonthisone."Habit,TraditionWe'vealwaysd

6、oneitthisway."AbilityMyprogrammersaren'tsophisticatedenough."MemoryKnowinghowIwoulddoitmeansIdon'thavetorememberhowIdiddoit."SuperstitionI'mscaredtodoitdi erently."PracticalityThismakesotherthingseasier."41.1.Wheredoesgoodstylecomefrom?It'sAllAboutCommunicationExpression+Understanding

7、=CommunicationProgramscommunicatewith:HumanreadersCompilersTexteditors(arglist,docstring,indent)Tools(trace,step,apropos,xref,manual)Usersoftheprogram(indirectcommunication)51.1.Wheredoesgoodstylecomefrom?KnowtheContextWhenreadingcode:K

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。