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Newsgroups: comp.lang.ada
Date: Wed, 22 Jan 2020 06:32:04 -0800 (PST)
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Subject: Re: Creating several types from a base type and conversion
From: Shark8 <onewingedshark@gmail.com>
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Xref: reader01.eternal-september.org comp.lang.ada:57920
Date: 2020-01-22T06:32:04-08:00
List-Id: <comp.lang.ada>

On Wednesday, January 22, 2020 at 1:38:02 AM UTC-7, Simon Wright wrote:
> Shark8 writes:
> 
> >    Type Word is range 0..2**30-1
> >     with Size => 30;
> >
> > this allows you to also do something like this:
> >   Function Convert( Data : Integer ) return Word
> >     with Inline, Pre => Data in Integer(Word'First)..Integer(Word'Last);
> 
> Not sure what advantage this would give over just Word (<integer>)

SPARK Verification, mostly.