46 lines
934 B
Rust
46 lines
934 B
Rust
use std::fmt;
|
|
|
|
#[derive(Debug)]
|
|
struct MinMax(i64, i64);
|
|
|
|
impl fmt::Display for MinMax {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
write!(f, "({}, {})", self.0, self.1)
|
|
}
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct Point2D {
|
|
x: f64,
|
|
y: f64,
|
|
}
|
|
|
|
impl fmt::Display for Point2D {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
write!(f, "x: {}, y: {}", self.x, self.y)
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let minmax = MinMax(0, 14);
|
|
|
|
println!("Compare structures:");
|
|
println!("Display: {}", minmax);
|
|
println!("Debug: {:?}", minmax);
|
|
|
|
let big_range = MinMax(-300, 300);
|
|
let small_range = MinMax(-3, 3);
|
|
|
|
println!(
|
|
"The big range is {big} and the small is {small}",
|
|
small = small_range,
|
|
big = big_range
|
|
);
|
|
|
|
let point = Point2D { x: 3.3, y: 7.2 };
|
|
|
|
println!("Compare points:");
|
|
println!("Display: {}", point);
|
|
println!("Debug: {:?}", point);
|
|
}
|