Re: [Vala] Patch: libgee:get_weak_ref

[Yu Feng <rainwoodman gmail com>]

A better alternative is to modify the signature of 'get' directly to
weak.

Bugzilla 516774 516773


On Wed, 2008-11-19 at 18:26 -0500, Yu Feng wrote:
> Are there a bz entry for libgee? I wasn't able to find it.
>
> When the collections in Gee are holding strong references, it is
> difficult to obtain a weak reference to the elements in the container.
>
> The situation is:
>
> class Node {
>       Gee.List<Node> childNodes;
>       public Node? firstChild {
>               get {
>                       return childNodes.get(0);
> ////// panic! the signature of properties are weak!.
>               }
>       }
>
> }
> I was able to workaround by
>       get {
>               Node rt = childNodes.get(0);
>               return rt;
>       }
> But this doesn't look intuitive and causes further troubles[difficult to
> explain]. a better looking solution is
>       get {
>               return childNode.get_weak_ref(0);
>       }
>
> The attached patch adds get_weak_ref to libgee.
>
> Regards,
>
> Yu