Re: [Vala] GLib.List

[Abderrahim KITOUNI <a kitouni gmail com>]

Hi,

2011/5/18 Jan Spurný <JSpurny seznam cz>:
> > Did you have any problem with the following? it should be the first
> > thing you try (and is likely the correct thing):
> >
> > [CCode (cheader_filename = "oldlib.h")]
> > public static GLib.List<X> old_lib_make_x_list();
>
> Thanks for your reply, but unfortunately, it really WAS the first thing I did
> - but because X is not reference counted, it resulted in errors like this:
>
> oldlib.vapi:61.33-61.36: error: duplicating X instance, use unowned variable or explicitly invoke copy 
> method
>        public static GLib.List<X> old_lib_make_x_list();
>                                ^

Yeah, this error message is misleading. You should put unowned in your
loop and not in the bindings, i.e.

foreach(unowned X myx in old_lib_make_x_list()) {
    ...
}

HTH,
Abderrahim