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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: gnat.string_split , howto manipulate slice numbers
Date: Tue, 29 Oct 2019 16:47:03 +0000
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Date: 2019-10-29T16:47:03+00:00
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Alain De Vos <devosalain71@gmail.com> writes:

> I tested and the addition of ,
> use type GNAT.String_Split.Slice_Number; 
> fixed it.
> I looks like without it the operator - is not understood.

Yes:

   type Slice_Number is new Natural;

For me, this carries declaring a type rather than a subtype further than
necessary. A subtype? Or why not just use Natural?