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Re:Ask HN: what is a monad? by XionOfCha0s on Tuesday July 30, 2013 @09:39PM (#6131327)
Personally I like this tutorial by douglas crockford

http://www.yuiblog.com/blog/2012/12/13/yuiconf-2012-talk-dou...

Re:Ask HN: what is a monad? by runT1ME on Tuesday July 30, 2013 @10:30PM (#6131544)
Douglas Crockford gives an incorrect definition of a monad and confuses them with functors. If you learned about monads from Crockford, you didn't learn about them.