use none_guard::NoneGuard;

#[derive(NoneGuard)]
struct Test {
    x: Option<i32>,
    y: Option<String>,
    z: Option<f32>,
}

fn main() {
    let x = Test {
        x: Some(1),
        y: None,
        z: None,
    };
    dbg!(x.is_all_none());

    let y = Test {
        x: None,
        y: Some("dd".to_string()),
        z: Some(2.0),
    };
    dbg!(y.is_all_none());

    let z = Test {
        x: None,
        y: None,
        z: None,
    };
    dbg!(z.is_all_none());
}