Re: [boost] Boost Units library preview

From: Eric Lemings (lemings_at_[hidden])
Date: 2006-08-21 15:39:49

> -----Original Message-----
> From: Eric Lemings 
> Sent: Monday, August 21, 2006 10:58 AM
> To: 'boost_at_[hidden]'
> Subject: RE: [boost] Boost Units library preview
> 
>  
> 
> > -----Original Message-----
> > From: boost-bounces_at_[hidden]
> > [mailto:boost-bounces_at_[hidden]] On Behalf Of Matthias Troyer
> > Sent: Sunday, August 20, 2006 6:29 AM
> > To: boost_at_[hidden]
> > Subject: Re: [boost] Boost Units library preview
> > 
> > 
> ...
> > Wait, if I multiply quantities (which have units) then also 
> the result 
> > will have a unit. E.g. if I divide 10 meters by 2 seconds 
> then I get 5 
> > m/s . I wouldn't call that anonymous since I know the
> > unit: m/s
> 
> This brings up a good question.  Say you have two objects:
> 
> meters m = 1;
> feet f = 2;
> 
> What is the type (or unit) of the following expression?
> 
> m * f;

Doh!  This should be addition, not multiplication.

m + f;

Eric.