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From: "Matthew Heaney" <mheaney@banet.net>
Subject: Re: Operators -> unit analysis
Date: 2000/01/05
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In article <t77lhos81h.fsf@calumny.jyacc.com> , Hyman Rosen 
<hymie@prolifics.com>  wrote:

> Charles Hixson <charleshixsn@earthlink.net> writes:
>> And some good way to handle units.  So that we could safely say things like:
>>      speed := 37.miles / 1.5.hours;
>
> There is already a very good way to handle units, without any runtime
> overhead if you don't need to determine units dynamically.

Yes, there is, by using type qualification:

  Speed := Miles'(37.0) / Hours'(1.5);