斯坦福数学教程

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1、classFunctionBase{public:/*Polymorphicclassesneedvirtualdestructors.*/virtual~FunctionBase(){}/*Callsthestoredfunction.*/virtualRetexecute(constArg&val)=0;virtualFunctionBase*clone()const=0;};/*Templatederivedclassthatexecutesaspecifictypeoffunction.*/template

2、meUnaryFunction>classFunctionImpl:publicFunctionBase{public:explicitFunctionImpl(UnaryFunctionfn):fn(fn){}CS106LvirtualRetexecute(constArg&val){returnfn(val);}StandardC++ProgrammingLaboratoryvirtualFunctionImpl*clone()const{returnnewFunctionImpl(*this);}UnaryFunction

3、fn;};CourseReaderFall2010KeithSchwarzStanfordUniversityAcknowledgements_________________________________________________________________________________________________________Thiscoursereaderrepresentstheculminationoftwoyears'workonCS106Landitscoursehandouts.Neither

4、theclassnorthisreaderwouldhavebeenpossiblewithoutJulieZelenski'ssupportandgenerosityduringCS106L'sinfancy.IstronglyencourageyoutotakeoneofJulie'sclasses–youwillnotbedisappointed.I'dalsoliketoextendthankstoalloftheCS106LstudentsI'vehadthepleasureofteachingovertheyears

5、.ItistrulyajoytowatchstudentslightupwhentheyseeexactlywhatC++cando.Thelonghoursthatwentintothiscoursereaderwouldnothavebeenpossiblewithouttheknowledgethatstudentsaregenuinelyinterestedinthematerial.Additionally,Iwouldliketothankthebravesoulswhoweregenerousenoughtopro

6、ofreaddraftversionsofthiscoursereader.YinHuangandStevenWuofferedparticularlyaptadviceonstyleandgrammar.IlyaShermangavewonderfulsuggestionsontypesettingandlayoutandcaughtmanyerrorsthatslippedundermyradar.KyleKnutsonhelpeddouble-checkthecorrectnessofthecodeintheextende

7、dexamples.DavidGoldblatthelpedmestayontopofrecentdevelopmentsinC++0xandpointedouthowtomakemanyoftheSTLpracticeproblemstruertothespiritofthelibrary.SamSchreiberprovidedexcellentadviceabouttheoverallstructureofthereaderandwastheinspirationforthe“CritiquingClassDesign”c

8、hapter.LeonidShamisastutelysuggestedthatIexpandthesectionondevelopmentenvironments.BrittneyFraser'samazingfeedbackmademanyoftheexam