Graeme Geldenhuys <graemeg.li...@gmail.com>: > 2009/10/16 Alexander Klenin <kle...@gmail.com>: > > "Class sealing allows extension of classes within a package, but > > prevent clients from extending such classes outside of the package." > > This might actually make some sense, see e.g. TBasicChartSeries class > > in TAChart package. > > As I said in my earlier reply. I don't see the point of sealed class.
Me neither. But there may be some use, still. > Why would you want to limit the use of a class. It goes against the > OOP principals. One developer cannot think of all possible uses for a > class, so why limit other developers that could see other uses or > extensions. Quite true. But you don't need "sealed" for that. It is enough to "forget" to declare some methods as "virtual". I don't remember how often I tried to extend some class (like TThread), finally realizing that some required method can't be overriden... Vinzent. -- GRATIS für alle GMX-Mitglieder: Die maxdome Movie-FLAT! Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome01 _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel
