Murray Cumming wrote: > On Tue, 2008-01-29 at 23:48 -0500, José Alburquerque wrote: > >> I'm wondering, would anyone know how to convert a Glib::ValueBase to one >> of its derived types (such as Glib::Value<int>) assuming the derived >> type has been returned from a function as the base class >> Glib::ValueBase? >> > > Don't do that > ( Glib::ValueBase get_something() ) > > Do this: > void get_something(Glib::ValueBase& value); > > Then it's up to the caller to pass the correct type, and it's up to the > get_something() to complain at runtime if it's not the correct type. > > See, for instance, Gtk::TreeModel. > > > I see; it works better returning value in reference. Thanks.
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