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From: "Joe" <sorry@no.email>
Newsgroups: comp.lang.ada
Subject: Allocate an array of a record with a discriminant?
Date: Tue, 27 Mar 2001 16:41:31 +0100
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Date: 2001-03-27T16:41:31+01:00
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Dear all,

I'd appreciate it greatly if any of you could answer the following question.

Basically, I want to create an array of English words. The following
information will be given before the words are typed in, _but_ not before
runtime:

- the maximum length of any one word (the Max_Length variable will contain
it)
- the number of words to be given (Num_Words)

A word would be described by something like the following type:

type Word (Max_Length : Integer) is
record
 Length : Integer;
 S : String (1 .. Max_Length);
end record;

As I understand it, using discriminants with arrays is not possible such as:

type Words (Max_Word_Length : Integer) is array (Natural range <>) of Word
(Max_Word_Length);

How is it possible to allocate space for an array of type "Word" where all
are of the same "Word.Length" which is "Max_Length" at runtime?

Keep in mind that Max_Length and Num_Words are given at runtime, not before.

Thanks in advance,

Joe