Of course, if one uses things right then stuff works fine... It's relying on people to do things right that's tricky (which is why we have Rust). My point was

Of course, if one uses things right then stuff works fine... It's relying on people to do things right that's tricky (which is why we have Rust). My point was mainly that you lose much of the compiler's assistance by moving from singly- to multiply-owned data.