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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: How to access Vector.Index_Type?
Date: Sun, 17 Mar 2019 21:25:37 +0000
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Date: 2019-03-17T21:25:37+00:00
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jakub.dabek@gmail.com writes:

> I have the following program
>
>     with Ada.Containers.Vectors;
>
>     procedure Test is
>         package MyVec is new Ada.Containers.Vectors(Natural, Natural);
>         Var : MyVec.Index_Type;
>     begin
>         null;
>     end;
>
> I get the following error:
> "Index_Type" is not a visible entity of "MyVec"
>
> How can I access the index type (`Element_Type` gives the same error
> message), without just writing `Natural`?

You could use

   subtype My_Index_Type is MyVec.Extended_Index
     range MyVec.Extended_Index'First + 1 .. MyVec.Extended_Index'Last;