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Date: Thu, 18 Jul 2002 15:05:35 +0200
From: David Rasmussen <pinkfloydhomer@yahoo.com>
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Subject: Subtypes with Combined Ranges
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Date: 2002-07-18T15:05:35+02:00
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An Ada-excercise reads as follows:

6.1 Write a program to count the number of occurrences of each letter of 
the alphabet typed as input at the keyboard. Using a subtype of 
Character as the index subtype of an array is a sensible way to do this.

My first thought was to do this:
subtype Alphabetical is Character range 'A'..'Z' | 'a'..'z';

But I get an error. What is the best type for this excercise?

/David