The catch and throw idea

Lecture 3 - Page 23 : 43

Programming Paradigms
Simulation of other Paradigms and Continuations

The catch and throw idea

Catch and throw provides for an intuitively simple escape mechanism on functional ground


 
(catch id catch-expr)


 
(throw id throw-expression)

Scheme does not support catch and throw

Instead, Scheme supports a much more powerful mechanisms based on continuations