They would have to close the gap, when going out of scope. The list can be doubly-linked or cyclical. -----Ursprüngliche Nachricht----- Von:JOHN MORRISON via Std-Proposals <std-proposals_at_[hidden]> Gesendet:Mo 24.02.2025 23:18 Betreff:Re: [std-proposals] A non-owning but self zeroing smart pointer for single ownership An:std-proposals_at_[hidden]; CC:JOHN MORRISON <inglesflamenco_at_[hidden]>; I did think of a linked list but secondary pointers can go out of scope too which would leave the list dangling.