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Newsgroups: comp.lang.ada
Date: Thu, 5 May 2022 02:59:13 -0700 (PDT)
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Subject: Re: Discriminants or Constructor Function for Limited Types
From: R R <rrr.eee.27@gmail.com>
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R R schrieb am Mittwoch, 4. Mai 2022 um 11:02:56 UTC+2:
> There are two ways (to my knowledge) how to initialize objects of limited types. Either the limited type has some discriminants 
> 
> type DLT (Width, Length : Positive) is tagged limited private; 
> Obj : DLT (3, 5); 
> 
> or I can provide a constructor function that takes corresponding parameters 
> 
> type LT (<>) is tagged limited private; 
> function Make (Width, Length : Positive) return LT; 
> Obj : LT := Make (3, 5); 
> 
> Do you recommend one way over the other? Why? Is it possible to combine both methods (discriminants plus constructor)? 
> 
> RREE

I finally went for the constructor function. A discriminant cannot be an array, at least that's what I understand from GNAT's error message. And I want to initialize the limited object with an array of config parameters.

Thanks for all the answers.

RREE