[plt-scheme] HtDP: Another question on 10.1.9

From: Grant Rettke (grettke at acm.org)
Date: Sat Sep 20 10:34:35 EDT 2008

On Sat, Sep 20, 2008 at 9:13 AM, Carl Eastlund <cce at ccs.neu.edu> wrote:
> To be less
> cryptic, if you read your purpose statement, and apply it to the
> recursive call, does it make sense?


> Are you really solving a smaller
> instance of the same problem, or are you just solving a smaller
> problem?

A smaller problem.

> The former is recursion; the latter is not (and suggests
> either inlining or a helper function).

Thanks, Carl and Matthias..

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