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From: Roland Illig <roland.illig@gmx.de>
Newsgroups: comp.lang.ada
Subject: Re: [newbie] simple(?) data structures
Date: Sun, 13 Jun 2004 05:53:25 +0200
Message-ID: <2j21dlFrvu2sU1@uni-berlin.de>
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Date: 2004-06-13T05:53:25+02:00
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tmoran@acm.org wrote:
> Why so complicated?  Why not just:
>   type Go_Board is array(integer range <>,integer range <>) of Stone;
>   This_Board : Go_Board(1 .. 19, 1 .. 19);
>   That_Board : Go_Board(1 .. 13, 1 .. 13);
> then directly access the array instead of getStone, and use
> This_Board'length(1) instead of getHeight and This_Board'length(2) for getWidth

That's too simple. :)

Seriously, I want to build abstractions using Ada, not a thin layer 
above assembly language. And perhaps I want to later extend the type. 
Maybe with a move history. And I want to guarantee that a Go_Board is 
always as wide as high.

Roland