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From: tmoran@acm.org
Newsgroups: comp.lang.ada
Subject: Re: Characters and Numerics
References: <u0sd9lh6m11lc0@corp.supernews.com>
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Date: Thu, 06 Dec 2001 00:19:52 GMT
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Date: 2001-12-06T00:19:52+00:00
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> >   N := Natural'Value(C & "");
>
> Or just
>
>    N := Character'Pos (C) - Character'Pos ('0');

or
  Digit_Value : constant array(Character range '0' .. '9') of Natural
    := (0,1,2,3,4,5,6,7,8,9);
  ...
  N := Digit_Value(C);