Good style for multi-valued returns

[Aahz Maruch]

In article <889A6EB6AE399393.619B0539BFCAAE0F.5C6D110C3DA908F7 at lp.airnews.net>,
Cameron Laird <claird at starbase.neosoft.com> wrote:
>
>Examples of multi-valued returns: (head, tail); (quotient, remainder);
>(left, right); (prologue, body, epilogue); (data, code); (CAR, CDR);
>(count, size); (handle, status); (decomposition; remainder); ...
>
>Let me guess: folks generally pass tuples for small and
>determinate-in-number multi-values, and dictionaries otherwise, 'cept
>some do it all with tuples.  Accurate?

Somewhat.  There's also the option of returning a class (though that
usually ends up being a class instantiation followed by a method call).
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