fn foo() -> i32 {
}

fn foo() -> i32 {
    
}

fn foo() -> i32 {
    bar()}

fn foo() -> i32 {
    bar()
}

fn foo() -> i32 {
    bar()
}

    fn foo() -> i32 {
        bar()
    }

    fn foo() -> i32 {
        bar()?
    }