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Subject: Re: Generic type in package
References: <35cullF4ivogfU1@individual.net>
From: Ludovic Brenta <ludovic.brenta@insalien.org>
Date: Fri, 21 Jan 2005 19:22:14 +0100
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Date: 2005-01-21T19:22:14+01:00
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Stefan Merwitz writes:
> Hello,
>
> I've seen the following type definition in a package-file (ads):
>
> generic
>     type T is (<>);
>
> this seems to allow comparing (smaller, greater or equal) of the type
> T. But I did not find this type definition ("(<>") in the Ada
> documentation. What are the differences to limited private and does
> this constrict the usable data types for T?
>
>
> Thanks in advance,
>
> Stefan

It means that T must be a discrete type: either an enumeration, a
range, or a modular type.  See ARM 12.5.2 and 3.2(12).

HTH

-- 
Ludovic Brenta.