RobertHarper会如何评价Rust

2019-11-19 19:56:40

RobertHarper应该只喜欢他的SML吧(逃---从Bob的一篇blog上其实可以看出来一些他对Rust的感觉:Twoexampleshavearisenjustthissummer,Rust(fromMozila)andSwift(fromApple),thatexemplifythetrend.AlthoughIhavenothadtimetostudythemcarefully,muchlesswriteseriouscodeusingthem,itisevidentfromevenabriefreviewoftheirwebsitesthattheseareseriouslanguagesthattakeaccountoftheacademicdevelopmentsofthelastcoupleofdecadesinformulatingnewlanguagedesignstoaddressnewclassesofproblemsthathaveariseninprogrammingpractice.Theselanguagesaretypesafe,abasiccriterionofsensibility,andfeaturesophisticatedtypesystemsthatincludeideassuchassumtypes,whichhavelongbeenmissingfromcommerciallanguages,orprovidedonlyincomicallyobtuseways(suchasobjects).Theinfamousnullpointermistakeshavebeeneradicated,andtheimportanceofpatternmatching(inthesenseoftheMLfamilyoflanguages)isfinallybeingappreciatedasthecureforBooleanblindness.ForonceIcanlookatnewindustriallanguageswithoutanoverwhelmingsenseofdisappointment,butinsteadwithoptimismandenthusiasmthatimportantideasarefinally,atlonglast,beingrecognizedandadopted.Ashasoftenbeenobserved,ittakes25yearsforanacademiclanguageideatomakeitintoindustrialpractice.WithJavaitwassimplythe1970’sideaofautomaticstoragemanagement;withlanguagessuchasRustandSwiftweareseeingideasfromthe80’sand90’smaketheirwayintoindustrialpractice.It’scauseforcelebration,andencouragementforthoseenteringthefield:therightideasdowinoutintheend,onejusthastohavethecouragetobeirrelevant.大概就是说我们三十年前搞的东西你们工业界的人终于开始接受了==

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