D3 - Programming in 3D

[FeepingCreature]

On Monday, 15 June 2020 at 14:38:31 UTC, drug wrote:
> 15.06.2020 13:40, FeepingCreature пишет:
>> Your scenario sounds totally predictable? With refcounting you 
>> get a "free" mark phase (ref goes to 0), and then you know 
>> you're holding the only reference so you can just hand it off 
>> to a cleanup thread and stop thinking about it for the low 
>> cost of an atomic write.
>> 
>
> How do you know that you have the only reference? the node can 
> be both the root and a leaf node.
>

You know you have the only reference because your refcount goes 
to 0...