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From: 18k11tm001@sneakemail.com (Russ)
Newsgroups: comp.lang.ada
Subject: Re: Safe Units Handling in Ada
Date: 23 May 2002 01:55:47 -0700
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William C. Brennan <brennan@netaxs.com> wrote in message news:<01HW.B91197820000C3D90E449050@netnews.netaxs.com>...
> On Wed, 22 May 2002 6:21:24 -0400, Fraser wrote
> (in message <3CEB7124.4050604@blancolioni.org>):

<cut>

>    function "/"
>      (Left  : Kilogram;      -- We want this one abstract too.
>       Right : Kilogram)
>      return Kilogram
>    is abstract;
> 
> Wouldn't it be also useful to define the operator:
> 
>    function "/"
>      (Left  : Kilogram;
>       Right : Kilogram) 
>      return Float_Type;
> 
> (where Float_Type is used throughout as a unitless scalar)?

Absolutely. Dividing kg by kg should obviously yield a scalar.