[racket] a little macro exercise

From: Jens Axel Søgaard (jensaxel at soegaard.net)
Date: Sat Oct 9 11:29:53 EDT 2010

The semantics is defined as:

> Spec: define a case construct syntactically just like that of Racket.
> In terms of semantics:

> - the last one returns its answer since it has no next clause, and

Does this imply that a cas-cad-e expression must contain at least
one clause?

Jens Axel Søgaard

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