http://en.wikipedia.org/wiki/Continuation-passing_style In functional programming, continuation-passing style (CPS) is a style of programming in which control is passed explicitly in the form of a continuation. Gerald Jay Sussman and Guy L. Steele, Jr. coined the phrase in AI Memo 349 (1975), which sets out the first version of the Scheme programming language.[1][2] A function written in continu..