Exactly. You only need to know about some primitive operations (like putStrLn and getLine), and ways to combine them (like >>, >>=, and return). This was my po

Exactly. You only need to know about some primitive operations (like putStrLn and getLine), and ways to combine them (like >>, >>=, and return). This was my point when I wrote my "IO tutorial" (not a monad tutorial!): http://blog.raek.se/2012/10/19/haskell-io-in-five-minutes/ http://blog.raek.se/2012/10/19/haskell-io-in-five-minutes/