Re: domains aren't subtypes, right?
From: Mike Sherrill <MSherrill_at_compuserve.com>
Date: Fri, 23 May 2003 18:07:50 -0400
Message-ID: <h6vscvca1as5rfqovui3m3eqi4gihmvh2i_at_4ax.com>
Date: Fri, 23 May 2003 18:07:50 -0400
Message-ID: <h6vscvca1as5rfqovui3m3eqi4gihmvh2i_at_4ax.com>
On Fri, 23 May 2003 15:28:44 +0100, Mathias Neumueller <mathias_at_cis.strath.ac.uk> wrote:
>The two types CITY and CITY_NAME would also have different domains ({the
>actual place Paris, London, ...}) vs. {the string "Paris", "London", ...}.
Doesn't the domain of cities really look more like this?
Paris, France
Paris, Mississippi, USA
London, England
London, Minnesota, USA
-- Mike Sherrill Information Management SystemsReceived on Sat May 24 2003 - 00:07:50 CEST