fn main() {
    let f = Foo;
    f.func_self_used();

    println!("-------------------------");

    let f = Foo;
    f.func_call_without_self();
}

struct Foo;

impl Drop for Foo {
    fn drop(&mut self) {
        println!("Dropped Foo");
    }
}

impl Foo {
    fn func_self_used(self) {
        println!("Before fn call");
        self.func_self_unused();
        println!("After fn call");
    }

    fn func_call_without_self(self) {
        println!("Before fn call, without self");
        Self::func_without_self();
        println!("After fn call, without self");
    }

    fn func_self_unused(self) {
        println!("Fn call with self");
    }

    fn func_without_self() {
        println!("Fn call with self");
    }
}