> need unsafe code for basic operations within the language Building custom back-referencing data structures is not a "basic operation" anywhere outside progra

> need unsafe code for basic operations within the language Building custom back-referencing data structures is not a "basic operation" anywhere outside programming classes. Adding significant complexity to rust Rust to make a 2% case marginally safer would be make the language worse. As long as the vast majority of code is not unsafe, then it achieves its goal.