Code shared from the Rust Playground

playground.rs

/// various ways to init a struct

#[derive(Debug)]
struct Point {
    x: i32,
    y: i32,
}

fn main() {
    let pt1 = Point { x: 11, y: 12 };

    let (x, y) = (21, 22);
    let pt2 = Point { x, y };

    let pt3 = Point { x: 31, ..pt1 };

    println!("val {:?} {:?} {:?}", pt1, pt2, pt3);
}