Re: [Vala] use weak and var together

[Yu Feng <rainwoodman gmail com>]

On Sat, 2009-01-10 at 09:24 +0100, Jürg Billeter wrote:
> On Sat, 2009-01-10 at 01:04 -0500, Yu Feng wrote:
> > On Fri, 2008-12-12 at 08:08 +0100, Jürg Billeter wrote:
> > > On Thu, 2008-12-11 at 23:56 -0500, Yu Feng wrote:
> > > > Talking about circular references, is it possible to have a
> > circular ref
> > > > breaker mechanism like the one in GTK for vala fundamental classes?
> > > 
> > > I don't think we should always add a dispose mechanism to fundamental
> > > classes. However, if someone wants to use that, it should still be
> > > possible to implement this with a bit of extra Vala code.
> > > 
> > 
> > I suddenly realized it is impossible to write dispose mechanism with
> > extra vala code because one can not override the hidden unref method,
> > therefore one can not do the cycle detection/breaking at the right time.
> 
> unref methods are never virtual in GObject. However, you can override
> the dispose method in Vala. Is this what you meant or can you explain
> what exactly you want to achieve?
> 

No. We were talking about GTypeInstance fundamental classes in that
mail. They don't have a 'dispose' method to be overriden.


> Jürg
>