英语词汇“functor”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	functor
释义	functor func·tor F0362300 (fŭngk′tər)n.1. One that performs an operation or a function.2. Grammar See function word. [New Latin fūnctor, from Latin fūnctiō, performance, function; see function.] functor (ˈfʌŋktə) n1. (Grammar) (in grammar) a function word or form word2. (Mathematics) (in mathematics) a function that maps elements of one set to those of another func•tor (ˈfʌŋk tər) n. that which functions; operator. [1935–40] Translations functor functor [′fəŋk·tər] (computer science) logic element (mathematics) A function between categories which associates objects with objects and morphisms with morphisms. functor In category theory, a functor F is an operator on types. Fis also considered to be a polymorphic operator on functionswith the type F : (a -> b) -> (F a -> F b). Functors are a generalisation of the function "map". Thetype operator in this case takes a type T and returns type"list of T". The map function takes a function and applies itto each element of a list. AcronymsSeeF
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functor