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From: Georg Bauhaus <sb463ba@l1-hrz.uni-duisburg.de>
Newsgroups: comp.lang.ada
Subject: Re: The "()" operator revisited.
Date: Thu, 15 Jan 2004 11:09:27 +0000 (UTC)
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Dmitry A. Kazakov <mailbox@dmitry-kazakov.de> wrote:
: On Thu, 15 Jan 2004 01:21:16 +0000 (UTC), Georg Bauhaus
:>Hm. How do you know then that you get an Apple from some Set, and
:>not an Orange? Is there a run time penalty?
: 
: Which one? Templates do it at compile time anyway, so the type tags
: are statically known.

That is, if I have, in a unit
procedure generic_array_shuffle(box: Fruit_Array);

and then in another unit
declare
   A: Apple_Array;
begin generic_array_shuffle(A); end;

declare
   O: Orange_Array;
begin generic_array_shuffle(O); end;

the compiler would not be informed about component sizes when
compiling the unit containing generic_array_shuffle, right?
Will it then have to, uhm, instantiate a procedure for the two
calls above with component sizes adjusted, behind the scenes?



-- Georg