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
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