From: sbelmont700@gmail.com
Subject: Re: Overring function and its returned type
Date: Fri, 9 Nov 2012 11:57:21 -0800 (PST)
Date: 2012-11-09T11:57:21-08:00 [thread overview]
Message-ID: <97a6946f-a707-4dd3-872b-9e851fcf9462@googlegroups.com> (raw)
In-Reply-To: <op.wnhvol1wule2fv@cardamome>
More generally, you are talking about 'covariant return types', which is a feature only a handful of languages support (notably C++). IMHO, i don't really see the need for it; a type is either a child (and matches the parent, as in P3) or it doesn't and it's not (as in P2). The whole point is to use the abstract parent classwide type exclusively, so I never saw the need to tinker around with the concrete child types (i would be interested in a real life scenario in which you would want this construct)
-sb
next prev parent reply other threads:[~2012-11-09 19:57 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-09 7:13 Overring function and its returned type Yannick Duchêne (Hibou57)
2012-11-09 7:22 ` Yannick Duchêne (Hibou57)
2012-11-09 8:24 ` Dmitry A. Kazakov
2012-11-09 9:14 ` Yannick Duchêne (Hibou57)
2012-11-09 13:11 ` Dmitry A. Kazakov
2012-11-09 21:36 ` Yannick Duchêne (Hibou57)
2012-11-09 19:24 ` Adam Beneschan
2012-11-09 19:34 ` Adam Beneschan
2012-11-09 22:00 ` J-P. Rosen
2012-11-09 22:30 ` Yannick Duchêne (Hibou57)
2012-11-09 19:57 ` sbelmont700 [this message]
2012-11-09 21:10 ` Yannick Duchêne (Hibou57)
2012-11-09 21:56 ` sbelmont700
2012-11-10 0:28 ` Yannick Duchêne (Hibou57)
2012-11-10 2:35 ` Yannick Duchêne (Hibou57)
2012-11-15 15:13 ` Peter C. Chapin
2012-11-16 10:40 ` Maciej Sobczak
2012-11-16 12:39 ` Peter C. Chapin
2012-11-16 15:27 ` Maciej Sobczak
2012-11-16 17:29 ` Peter C. Chapin
2012-11-17 4:16 ` Yannick Duchêne (Hibou57)
2012-11-17 19:11 ` Robert A Duff
2012-11-18 14:53 ` AdaMagica
2012-11-19 8:41 ` Yannick Duchêne (Hibou57)
2012-11-19 13:04 ` AdaMagica
2012-11-19 15:19 ` Dmitry A. Kazakov
2012-11-19 23:42 ` Randy Brukardt
2012-11-10 7:55 ` Randy Brukardt
2012-11-11 1:02 ` Yannick Duchêne (Hibou57)
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