It's similar to literate programming, which consists in exchanging the focus between code and comments. I believe that Coffeescript just got a literate processo

It's similar to literate programming, which consists in exchanging the focus between code and comments. I believe that Coffeescript just got a literate processor, so the community may benefit from this in the near future. Because GHC supports it, it is also very popular in the Haskell community.