Very nice explanation of monads. sigfpe's blog has the "original" tutorial: http://blog.sigfpe.com/2006/08/you-could-have-invented-monads-and.html http://blog.

Very nice explanation of monads. sigfpe's blog has the "original" tutorial: http://blog.sigfpe.com/2006/08/you-could-have-invented-monads-and.html http://blog.sigfpe.com/2006/08/you-could-have-invented-monad...