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From: John English <je@bton.ac.uk>
Subject: Re: HELP: renames and enum values
Date: 2000/04/13
Date: 2000-04-13T14:18:27+00:00	[thread overview]
Message-ID: <38F5D6F9.5B8892F2@bton.ac.uk> (raw)
In-Reply-To: dale-1DD343.21533110042000@news.rmit.edu.au

Dale Stanbrough wrote:
> All i was attempting to say is that
> 
>    type blah renames bleh;
> 
> could be predicted to have the same semantics as a subtype
> declaration (this would be the "other way" of performing
> subtyping).
> 
> I know what beginners think of, because I had 8 years of
> teaching beginners. This is something that some of them
> thought of (but not many because most of them were introduced
> to subtypes long before renames!).

What's even less obvious is the way to rename enumeration literals:

 function Enum_Literal return Enum_Type renames Other_Enum_Literal;

Now, that *really* confuses them, and none of them would ever be
able to guess it without being told!

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  reply	other threads:[~2000-04-13  0:00 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <38ECE0EB.4BD4A53E@mindspring.com>
2000-04-07  0:00 ` HELP: renames and enum values Samuel T. Harris
2000-04-07  0:00   ` Al Johnston
2000-04-09  0:00     ` Robert Dewar
2000-04-09  0:00       ` dale
2000-04-09  0:00         ` Robert Dewar
2000-04-10  0:00           ` Dale Stanbrough
2000-04-13  0:00             ` John English [this message]
2000-04-13  0:00               ` Robert Dewar
2000-04-14  0:00                 ` John English
2000-04-13  0:00               ` Ted Dennison
2000-04-13  0:00                 ` Samuel T. Harris
2000-04-13  0:00                 ` Robert A Duff
2000-04-13  0:00               ` Samuel T. Harris
2000-04-14  0:00               ` Tucker Taft
2000-04-10  0:00       ` Samuel T. Harris
2000-04-11  0:00       ` Al Johnston
2000-04-10  0:00     ` Samuel T. Harris
2000-04-11  0:00       ` Al Johnston
2000-04-11  0:00 ` Tucker Taft
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