From: "Matthew Heaney" <matthew_heaney@acm.org>
Subject: Re: Objects properties - Ada design issues question
Date: 2000/02/04
Date: 2000-02-04T00:00:00+00:00 [thread overview]
Message-ID: <0JIm4.1579$563.51016@newsread1.prod.itd.earthlink.net> (raw)
In-Reply-To: s9ljhv6jdh127@corp.supernews.com
In article <s9ljhv6jdh127@corp.supernews.com> , "Vladimir Olensky"
<vladimir_olensky@yahoo.com> wrote:
> This is due to the fact that Ada does not allow to have constant
> fields in record types.
But you can so that by using discriminants:
type RT
(X : XT;
Y : YT) is record
Z : ZT;
end record;
Components X and Y are read-only, and component Z is read-write.
--
Celebrate Darwin Day on Saturday, 12 February!
<http://www.bbc.co.uk/education/darwin/index.shtml>
next prev parent reply other threads:[~2000-02-04 0:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-02-04 0:00 Objects properties - Ada design issues question Vladimir Olensky
2000-02-04 0:00 ` Matthew Heaney [this message]
2000-02-04 0:00 ` Florian Weimer
2000-02-04 0:00 ` Samuel T. Harris
2000-02-04 0:00 ` Vladimir Olensky
2000-02-04 0:00 ` Vladimir Olensky
2000-02-06 0:00 ` Andy
2000-02-07 0:00 ` Vladimir Olensky
2000-02-10 0:00 ` Andy
2000-02-08 0:00 ` Florian Weimer
2000-02-04 0:00 ` Vladimir Olensky
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