> The use of Functors, Applicative and Monad (as well as other classes of types) is just like following the GoF design patterns. How true: another set of tricky

> The use of Functors, Applicative and Monad (as well as other classes of types) is just like following the GoF design patterns. How true: another set of tricky patterns, instead of just doing the simplest working thing. ;) (Hint: dynamic languages render most of the patterns unnecessary - http://norvig.com/design-patterns/ http://norvig.com/design-patterns/ - and that also applies to functional programming)