This article[0]: "The functor design pattern" shows how to identify functors in code. [0] http://www.haskellforall.com/2012/09/the-functor-design-pattern.html

This article[0]: "The functor design pattern" shows how to identify functors in code. [0] http://www.haskellforall.com/2012/09/the-functor-design-pattern.html http://www.haskellforall.com/2012/09/the-functor-design-patt...