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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Grace and Maps (was Re: Development process in the Ada community)
Date: 26 Apr 2002 06:27:22 +0100
Organization: Pushface
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References: <3CB46975.90408@snafu.de> <3CBAFFEE.2080708@snafu.de>
 <4519e058.0204171036.6f0a7394@posting.google.com> <3CBDD795.4060706@snafu.de>
 <4519e058.0204180800.44fac012@posting.google.com> <3CBF0341.8020406@mail.com>
 <a9n0tk$6fs$1@nh.pace.co.uk>
 <4519e058.0204190529.559a47ae@posting.google.com>
 <a9p98h$8hn$1@nh.pace.co.uk> <3CC1C6B3.6060306@telepath.com>
 <3CC21747.5000501@telepath.com> <V+UgdHreGTJg@eisner.encompasserve.org>
 <x7vr8l871it.fsf@smaug.pushface.org> <4519e058.0204220534.2eb33730@posting.go
 <3CC5B161.C719C5D8@san.rr.com>
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Date: 2002-04-26T05:27:22+00:00
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Darren New <dnew@san.rr.com> writes:

"<" vs hash]

>             On the other hand, most of the built-in types and
> metatypes ("record", "array", etc) already have ordering operators
> or rules on how to deduce them from the components.

One of my examples is the Vehicle type, keyed by [licence issueing
office + licence serial code] (both strings): a sort is just as
artificial as a hash, I think.