| 12345 | author: Mark Dominuscontent: 'A functor F takes each type T and maps it to a new type FT. A burrito is  like a functor: it takes a type, like meat or beans, and turns it into a new type,  like beef burrito or bean burrito.'id: 63b66560-8b8a-4502-9197-25f0f18f65fd
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