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Subject: Re: renames usage
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From: DrPi <314@drpi.fr>
Date: Sat, 2 Jan 2021 12:53:18 +0100
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Le 01/01/2021 à 14:20, Dmitry A. Kazakov a écrit :
> On 2021-01-01 13:39, DrPi wrote:
> 
>> Reading all the answers, I understand that :
>>      X : Float renames Random (Seed);
>> is equivalent to :
>>      X : constant Float := Random (Seed);
>>
>> Right ?
> 
> You must keep in mind that renaming ignores subtype contraints. So:
> 
>     X : Integer := -1;
>     Y : Positive renames X; -- Let's fool ourselves
> begin
>     Put_Line ("A positive number " & Integer'Image (Y));
> 
> Will happily print "A positive number -1."
> 
Interresting.
Thanks.