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From: "G.B." <bauhaus@notmyhomepage.invalid>
Newsgroups: comp.lang.ada
Subject: Re: Ada 2012 Constraints (WRT an Ada IR)
Date: Thu, 8 Dec 2016 19:35:46 +0100
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Xref: news.eternal-september.org comp.lang.ada:32682
Date: 2016-12-08T19:35:46+01:00
List-Id: <comp.lang.ada>

On 08.12.16 11:03, Dmitry A. Kazakov wrote:
>> What will these two parts look like in the example,
>> bothrelating to "+", and to Plus?
>>
>> procedure Plus is
>>    Y : Standard.Integer := Standard.Integer'Last;
>> begin
>>    Y := Y + 1;
>> end Plus;
>
> The contract of Plus is can [or must] raise Constraint_Error.
>
> If the client will prove absence of Constraint_Error it must handle that anytime Plus is called.
>

So, the following function will also just announce that
it can raise Constraint_Error?

function Plus_Too (A, B: Standard.Integer)
                   return Standard.Integer is
begin
    return A + B;
end Plus_Too;


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