"Unsafe" Rust is a superset because everything you can do in normal "safe" Rust, you can do within an "unsafe" block. That is, being within an "unsafe" block (w

"Unsafe" Rust is a superset because everything you can do in normal "safe" Rust, you can do within an "unsafe" block. That is, being within an "unsafe" block (which is what people mean by "Unsafe Rust") allows you to do more, not less.