[buug] On missing data

[Ian Zimmerman]

Bob> Why create a "Missing subtype"?  Instead, throw an exception (ie
Bob> MissingDataException) during the object.slidingAverage() if the
Bob> data is missing.

You're right.  Of course, for FP extremists (of which I am not one,
yet) exceptions are evil, too.

-- 
Ian Zimmerman, Oakland, California, U.S.A. 
if (sizeof(signed) > sizeof(unsigned) + 4) { delete this; }
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