This is AFAICT essentially what wg-allocators is working on where you can directly specify an allocator in collections (and alloc() returns a Result): https://g

This is AFAICT essentially what wg-allocators is working on where you can directly specify an allocator in collections (and alloc() returns a Result): https://github.com/TimDiekmann/alloc-wg https://github.com/TimDiekmann/alloc-wg From the readme it sounds like this has actually started to be upstreamed now?