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From: John Rusnak <john.j.rusnak@lmco.com>
Subject: Re: friend classes in ada95
Date: 2000/04/18
Date: 2000-04-18T00:00:00+00:00	[thread overview]
Message-ID: <38FCD19F.49DD6519@lmco.com> (raw)
In-Reply-To: 8dh37m$qef$2@wanadoo.fr

C++ allows you to put many classes in one namespace and also allows you
to have inner classes which are concepts analogous to putting more than
one tagged type in a package.  Java's definition of a package is
essentially a grouped collection of classes. Java also allows you to
have inner classes (I believe) and also allows you to define more than
one class within a given file, although only one will be publicly
available for use outside the file.

Note that it is recommended in Ada as a matter of good style NOT to put
more than one tagged type in a package.  (See Section9.6 of the Styl
Guide).  And I have to agree with this design choice.  When I do have to
put a seond tagged type in a package, I generally place it within the
context of an internal (child?) package.

-John




  parent reply	other threads:[~2000-04-18  0:00 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-04-14  0:00 friend classes in ada95 Stefan Folkesson
2000-04-14  0:00 ` John J. Rusnak
2000-04-14  0:00 ` Julian Day
2000-04-14  0:00   ` Steve Folly
2000-04-14  0:00     ` Robert A Duff
2000-04-17  0:00       ` John J. Rusnak
2000-04-18  0:00         ` Vincent Marciante
2000-04-18  0:00           ` John Rusnak
2000-04-18  0:00       ` Steve Folly
2000-04-14  0:00 ` Florian Weimer
2000-04-14  0:00   ` Stefan Folkesson
2000-04-14  0:00 ` swhalen
2000-04-15  0:00 ` Jeff Carter
2000-04-16  0:00   ` Robert Dewar
2000-04-16  0:00     ` Jeff Carter
2000-04-16  0:00       ` David Botton
2000-04-17  0:00         ` Robert Dewar
2000-04-17  0:00           ` Hyman Rosen
2000-04-17  0:00             ` Robert Dewar
2000-04-16  0:00     ` David Botton
2000-04-17  0:00       ` Robert Dewar
2000-04-17  0:00         ` David Botton
2000-04-17  0:00         ` David Botton
2000-04-18  0:00           ` friend classes in ada95 (long) tmoran
2000-04-18  0:00             ` David Botton
2000-04-18  0:00               ` friend classes in ada95 Stanley R. Allen
2000-04-19  0:00               ` MI, was " tmoran
2000-04-19  0:00                 ` David Botton
2000-04-19  0:00               ` friend classes in ada95 (long) Brian Rogoff
2000-04-19  0:00                 ` David Botton
2000-04-19  0:00                 ` Hyman Rosen
2000-04-19  0:00                   ` Brian Rogoff
2000-04-23  0:00                     ` Hyman Rosen
2000-04-23  0:00                       ` Brian Rogoff
2000-04-24  0:00                         ` Hyman Rosen
2000-04-25  0:00                           ` Brian Rogoff
2000-04-25  0:00                             ` Ole-Hjalmar Kristensen
2000-04-18  0:00       ` friend classes in ada95 Geoff Bull
2000-04-18  0:00         ` David Botton
2000-04-18  0:00         ` Jean-Pierre Rosen
2000-04-18  0:00           ` tmoran
2000-04-18  0:00             ` John J. Rusnak
2000-04-19  0:00               ` Robert Dewar
2000-04-19  0:00               ` Geoff Bull
2000-04-19  0:00                 ` Robert Dewar
2000-04-19  0:00                 ` David Botton
2000-04-19  0:00                   ` Robert Dewar
2000-04-20  0:00                     ` Geoff Bull
2000-04-19  0:00                   ` Robert Dewar
2000-04-19  0:00                 ` Ehud Lamm
2000-04-19  0:00                 ` Jeff Susanj
2000-04-19  0:00                   ` Robert Dewar
2000-04-19  0:00                     ` Jeff Carter
2000-04-19  0:00                       ` Ray Blaak
2000-04-20  0:00                         ` Jean-Pierre Rosen
2000-04-20  0:00                           ` Ray Blaak
2000-04-20  0:00                             ` Jean-Pierre Rosen
2000-04-24  0:00                               ` Ray Blaak
2000-04-20  0:00                           ` Robert Dewar
2000-04-20  0:00                             ` Brian Rogoff
2000-04-20  0:00                             ` BSCrawford
2000-04-20  0:00                             ` Jean-Pierre Rosen
2000-04-20  0:00                         ` Robert Dewar
2000-04-20  0:00                           ` Ray Blaak
2000-04-20  0:00                             ` Charles Hixson
2000-04-21  0:00                               ` Jean-Pierre Rosen
2000-04-29  0:00                                 ` Aidan Skinner
2000-04-29  0:00                                   ` Robert I. Eachus
2000-04-21  0:00                               ` Jon S Anthony
2000-04-20  0:00                       ` Robert Dewar
2000-04-20  0:00                         ` Jeff Carter
2000-04-21  0:00                           ` Robert Dewar
2000-04-21  0:00                             ` Jon S Anthony
2000-04-22  0:00                               ` Robert Dewar
2000-04-21  0:00                             ` Ken Garlington
2000-04-19  0:00                   ` Bill Greene
2000-04-19  0:00                   ` tmoran
2000-04-19  0:00               ` Jean-Pierre Rosen
2000-04-18  0:00           ` Pascal Obry
2000-04-18  0:00           ` David Botton
2000-04-18  0:00           ` John Rusnak [this message]
2000-04-19  0:00             ` Robert Dewar
2000-04-17  0:00     ` Robert I. Eachus
2000-04-18  0:00       ` Robert Dewar
2000-04-19  0:00         ` Robert I. Eachus
2000-04-20  0:00           ` Robert Dewar
2000-04-20  0:00             ` Ray Blaak
2000-04-23  0:00             ` Robert I. Eachus
2000-04-19  0:00     ` Alfred Hilscher
2000-04-19  0:00       ` Ray Blaak
2000-04-19  0:00         ` Robert Dewar
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