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From: stt@henning.camb.inmet.com (Tucker Taft)
Subject: Re: Example of object oriented Ada95 requested!
Date: 1996/01/08
Message-ID: <DKv8pA.8Hr.0.-s@inmet.camb.inmet.com>#1/1
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references: <slrn4eumdg.4d.cabal@TerpTavern.umd.edu>
organization: Intermetrics, Inc.
newsgroups: comp.lang.ada
Date: 1996-01-08T00:00:00+00:00
List-Id: <comp.lang.ada>

Arcadio A. Sincero (cabal@TerpTavern.umd.edu) wrote:

: ...
:     Under the section entitled "Hierarchial Libraries", Dr.Herro talks about
: "child packages".  From what I can tell, this seems to be Ada95's idea of
: what inheritance and polymorphism.  Am I right?  ...

Nope.  "Tagged" types, with type extension and class-wide types, are what 
provide inheritance and polymorphism in Ada 95.

Child packages/hierarchical libraries are namespace/visibility
management mechanisms, somewhat analogous to C++ namespaces or
Modula-3 modules.

: ...
: Arcadio Alivio Sincero, Jr. 
: Sophomore, Computer Science Major at the University of Maryland 
: at College Park
: Email: lotu@wam.umd.edu, WWW: <still working on it!>

-Tucker Taft  stt@inmet.com
Intermetrics, Inc.