在学习Haskell时，我注意到它的type类，这应该是源自Haskell的一项伟大发明。但是，在theWikipediapageontypeclass:Theprogrammerdefinesatypeclassbyspecifyingasetoffunctionorconstantnames,togetherwiththeirrespectivetypes,thatmustexistforeverytypethatbelongstotheclass.在我看来，这与Java的接口(interface)很接近(引用Wikipedia'sInterface(Java)page):Anin

C++中的数组和vector有什么区别？差异的示例可能包括库、象征意义、能力等。数组Arrayscontainaspecificnumberofelementsofaparticulartype.Sothatthecompilercanreservetherequiredamountofspacewhentheprogramiscompiled,youmustspecifythetypeandnumberofelementsthatthearraywillcontainwhenitisdefined.Thecompilermustbeabletodeterminethisvaluewh