Re: [boost] Re: SIunits and quantity library concerns

From: David Abrahams (david.abrahams_at_[hidden])
Date: 2001-10-05 17:15:54

> So I propose we deal with things like cartons_of_apples and a unit
> with dimension Ammount, units cartons, and tag apples.
> cartons_of_granny_smith_apples would get a second tag to identify them
> as granny_smith.
>
> My initial guess is that multiple tags should generally be handeled by
> taging a prevously taged unit.  Can someone identify a problem with
> requiring multiple tags to be heirarchical?
>

Watch out, you're treading dangerously close to designing a simplified,
under-powered knowledge representation system (see AI research). Once you
start trying to handle these things you may find yourself unable to limit
the scope of the problems you're solving.

On the other hand, I could just be blowing smoke ;-)

-Dave

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