Now that I'm actually putting this code into an editor to try your suggestion, I'm noticing the embarrassing nested `impl Point`, which is sadly no longer edita

Now that I'm actually putting this code into an editor to try your suggestion, I'm noticing the embarrassing nested `impl Point`, which is sadly no longer editable. Oh, well. Test your code, kids. Is this what you had in mind? struct Point { x: i32, y: i32, } impl Point { pub fn x_mut(Self { x, .. }: &mut Self) -> &mut i32 { x } pub fn y_mut(Self { y, .. }: &mut Self) -> &mut i32 { y } pub fn calculate(&mut self) -> i32 { let x = Self::x_mut(self); let y = Self::y_mut(self); *x * *y } } The `self` on the second line of the `calculate` function still gets flagged with "cannot borrow `*self` as mutable more than once at a time", which I think is what you were talking about in your second point. I had no idea that the syntax above was actually valid in argument lists. Learned something new about Rust today.