Introduction and motivation

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Name binding, Recursion, Iteration, and Continuations - slide 33 : 42

It is sometimes necessary to escape from a deep expression, for instance in an exceptional case

We are interested in a primitive which allows us to control the remaining part of a calculation - a so-called continuation.

Exit or exception mechanism:
- The need to abandon some deep evaluation
Continuation
- Capturing of continuations
- Exploring new control mechanisms by use of continuations

Scheme support first class continuations dressed as functions