rustRust struct as trait

A Rust struct can be used as a trait by implementing the trait for the struct. This allows the struct to use the methods and properties of the trait. For example, the following code defines a Point struct and implements the Display trait for it:

struct Point {
    x: i32,
    y: i32,
}

impl Display for Point {
    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
        write!(f, "({}, {})", self.x, self.y)
    }
}

let p = Point { x: 3, y: 4 };
println!("{}", p);

Output example

(3, 4)

The code above defines a Point struct with two fields x and y. The impl Display for Point block implements the Display trait for the Point struct. This allows the Point struct to use the fmt method of the Display trait. The println! macro then uses the fmt method to print the Point struct.

Helpful links

• Rust Structs
• Rust Traits

Edit this code on GitHub