I ran into the exact same problem and wrote up some potential solutions at https://eli.thegreenplace.net/2021/rust-data-structures-with-circular-references/ htt

I ran into the exact same problem and wrote up some potential solutions at https://eli.thegreenplace.net/2021/rust-data-structures-with-circular-references/ https://eli.thegreenplace.net/2021/rust-data-structures-with...