On: Why writing a linked list in safe Rust is so damne...

[contravariant]

To me it makes perfect sense that the keyword 'unsafe' disables safety mechanisms.

[Narishma → contravariant]

But it doesn't disable anything. In fact, it does the opposite: it enables additional mechanisms which can't be checked by the compiler.

[contravariant → Narishma]

That's a bit like saying that unlocking your front door adds an additional door to your house.