#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::fmt;
struct Foo {
    bar: i32,
    baz: String,
}
impl fmt::Debug for Foo {
    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
        fmt.debug_struct("Foo").field("bar", &self.bar).field("baz", &self.baz).finish()
    }
}
fn main() {
    assert_eq!(
        format!("{:?}", Foo { bar : 10, baz : "Hello World".to_string() }),
        r#"Foo { bar: 10, baz: "Hello World" }"#,
    );
}