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From: braver <deliverable@gmail.com>
Newsgroups: comp.lang.ada
Subject: OO Style with Ada Containers
Date: Wed, 14 Nov 2007 15:28:26 -0800
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Date: 2007-11-14T15:28:26-08:00
List-Id: <comp.lang.ada>

I've implemented a small system with Ada Containers and am wondering
about how do folks manage to keep their mental faculties together with
it.  Instead of OO's uniquitous Object.method(params), we end up with
something like:

package Some_Things is new Ada.Containers.Things(...)

package ST renames Some_Things;

Something: ST.Type;

while ST.Method(Someting,...) loop
  -- AT is Another_Things instantiation
  ...if AT.Method(Fun(Something), Another_Things.Method(...)) then ...
end if; ...
end loop;

I've found that if I use several components in the same scope, I
introduce renames -- sometimes I get warnings of names hidden due to
clashes, often I enclose heavy usage of a certain container in a

declare
  use Some_Things;
begin
...
end;

-- but this is all very not-warm-and-fuzzy... How do you make the
usage of Ada Containers less verbose?

Cheers,
Alexy