Shared via Rust Playground

playground.rs

// Can I have two mut references to different parts of a structure
// simultaneously?

struct Point {
    x: f64,
    y: f64,
}

fn main() {
    let mut p = Point{x: 3.0, y: 5.0};
    println!("({}, {})", p.x, p.y);
    {
        swap(&mut p.x, &mut p.y);
    }
    println!("({}, {})", p.x, p.y);
}

fn swap(a: &mut f64, b: &mut f64) {
    let t = *b;
    *b = *a;
    *a = t;
}

// YES I CAN!