Re: [Vala] Re : Release testing

[Jürg Billeter <j bitron ch>]

On Sun, 2008-11-30 at 02:00 +0100, Thomas Chust wrote:
> fdsdœ Fsfsd schrieb:
> > [...]
> > Code:
> > Gtk.ListStore model = (Gtk..ListStore) combobox.get_model();
> > GLib.Value content_type = Value(typeof(string));;
> > model.get_value(iter, 2, ref content_type);
> > Message at runtime:
> > GLib-GObject-WARNING **: gvalue.c:185: cannot initialize GValue with
> > type `gchararray', the value has already been initialized as `gchararray'
> > [...]
>
> However, since the Gtk+ library apparently insists on initializing the
> Value structure in this situation, the signature of
> Gtk.TreeModel.get_value should really include an out parameter, not a
> ref parameter...

Fixed in r1207.

> Also the GLib.Value.unset method should really have a special annotation
> so that the compiler knows a Value structure is uninitialized after a
> call to that method -- on the other hand this hack wouldn't work then ;-)

You should never need to use Value.unset in Vala except when using raw
pointers.

Jürg