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From: "Beard, Frank" <beardf@spawar.navy.mil>
Newsgroups: comp.lang.ada
Subject: RE: Enumerated types
Date: Tue, 20 Feb 2001 14:28:47 -0500
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Date: 2001-02-20T14:28:47-05:00


-----Original Message-----
From: Andrew Hately [mailto:hat@cfmu.eurocontrol.be]

> type level is ( empty, low, medium, high, full, overflowing ) ;
> subtype critical_level is level <some_new_keyword> (empty, full,
overflowing);

There have been a number of times where I have needed to do this.


> Also, would Jeff Creem's  <with>  enumeration extension construct be
> applicable thus:
>
> type hard_fruit is ( apple, pear ) ;
> type soft_fruit is ( strawberry, raspberry ) ;
> type fruit is hard_fruit with soft_fruit ;

That's an interesting alternative.  But now you basically have a multiple
inheritance situation.

Frank