bq. "There is a huge cognitive overhead when working with abstractions and trying to control the final memory layout of the running code" —From a presentation on Rust I'm gathering bits and pieces of Rust code "here":https://github.com/laumann/rust-tour 
/// An example of destructuring a struct
///
/// When we're only interested in some attributes the ".." syntax is quite
/// useful.
///
#[deriving(Clone)]
struct Point3d {
	x: f32,
	y: f32,
	z: f32
}

impl Point3d {
	fn xy(&self) -> (f32, f32) {
		let Point3d {
			x: x,
			y: y,
			..
		} = (*self).clone();
		(x, y)
	}
}

fn main() {
	let p = Point3d{x: 1.0, y: 2.0, z: 3.0};
	let (x, y) = p.xy();
	println!("x = {}, y = {}", x, y);
}