On Wednesday, 20 December 2017 at 17:05:41 UTC, Tony wrote:
I have heard with regard to reference counting as is done in Python, that if two objects each have a reference to the other, that they will never be deleted, even if neither is used elsewhere in the program. Garbage collection is not supposed to have that issue, although I don't know how a garbage collector determines that there usage is just via each other and that they can be deleted.
Here's how PHP does it: http://php.net/manual/de/features.gc.collecting-cycles.php
