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Date: Mon, 15 Sep 2003 20:42:28 +0400
From: Dmytry Lavrov <m31415@mail.ru>
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Subject: Newbie question:procedural variables(call by reference)?
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There are no procedural variables(calls by reference) in ADA,right?(or i
missed something...).
How to live without 'em? (i guess , 'like in java' ;-)

What for example if i have wrote,say.... expression evaluator.
In Pascal(bit extended),
and with way to add custom functions,like

procedure
AddFunc(name:string;numparams:integer;additionalparam:mashine_word;fn:CustomFunction);

How i can move it to ada....(of course i know that it's sometimes better
to do all with OOP,but here is much simpler to have array with
references ,than doing crazy extensible objects).
Normally i can use something like
type FunctionInfo=record

name:string;numparams:integer;additionalparam:mashine_word;fn:CustomFunction;
end;
and simple sorted array of 'em,finding right routine by binary search.



Why peoples sometime talking about OS in ada?...it's inpossible w/o call
by reference,OOP is based on call by reference,right?.

Heh,formally running a program from hard disk is a call by reference!
;-).