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Rebol是一种功能编程语言吗？
我遇到了Rebol，我对此很纳闷。 我从这里遇到以下脚本： use [feed questions answers][ feed: load-xml/dom http://stackoverflow.com/feeds/tag/rebol questions: map-each entry feed/get-by-tag <entry> [ find/match entry/get <id> "http://stackoverflow.com/q/" ] answers: make block! length? questions foreach question questions [ question: load-xml/dom join http://stackoverflow.com/feeds/question/ question foreach entry next question/get-by-tag <entry> [append answers entry/tree] ] insert clear feed/find-element <entry> answers feed/flatten ] …