Simon TRENY wrote:
> Hello,
>
> I have a class "A" and I'd like to keep a list of all the created instances
> of this class. To do that, I have a static List!(A) in the A class and, in
> the constructor, I add each new instance to this list. This gives me the
> following code:
>
> class A {
> private static List!(A) s_instances;
>
> public this() {
> s_instances.add(this);
> }
>
> public ~this() {
> s_instances.remove(this);
> }
>
> public static void printAll() {
> foreach (A instance; s_instances)
> print(instance.toString());
> }
> }
>
> But then, since all the instances are referenced by the static list, they are
> never garbage-collected, which could be a problem. In some other languages,
> this can be solved using weak references, but I haven't found any
> informations about using weak references in D. Is there any way to solve this
> problem?
>
> Thanks,
> Simon
>
Maybe what you are looking for are the GC.removeRoot or GC.removeRange
functions which are available in both Phobos and Tango?
http://www.dsource.org/projects/tango/docs/current/tango.core.Memory.html
http://www.digitalmars.com/d/2.0/phobos/std_gc.html
http://www.digitalmars.com/d/1.0/phobos/std_gc.html
