haskell - few more monad - solving problem with Monads
阅读更多WehaveseentheRPNcanbesolvedwithhaskellinpreviousexamples,nowwewillseehowwecandousemonadtosolveit.Withmonad,youmightnotgainmoreintermsofjustsolvinghteproblem,butyouwillgetmorelikeloggingabilityor,g