#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::fmt;
#[derive(Debug)]
struct Triangle {
    a: f32,
    b: f32,
    c: f32,
}
impl fmt::Display for Triangle {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "({}, {}, {})", self.a, self.b, self.c)
    }
}
fn main() {
    let pythagorean_triple = Triangle { a: 3.0, b: 4.0, c: 5.0 };
    assert_eq!(format!("{pythagorean_triple}"), "(3, 4, 5)");
}