//! fn main() {
//! let myvector = Vector2D { x: 3, y: 4 };
//!
-//! println!("{}", myvector); // => "(3, 4)"
-//! println!("{:?}", myvector); // => "Vector2D {x: 3, y:4}"
-//! println!("{:10.3b}", myvector); // => " 5.000"
+//! println!("{myvector}"); // => "(3, 4)"
+//! println!("{myvector:?}"); // => "Vector2D {x: 3, y:4}"
+//! println!("{myvector:10.3b}"); // => " 5.000"
//! }
//! ```
//!