// Define and Implement struct, trait and impl..for
struct __;
trait ___ {}
impl ___ for __ {}

// Implement static and dynamic dispatch
fn ___<__: ___>(_: &__) -> () {
    ()
}
fn ____(_: &dyn ___) -> () {
    ()
}

// Use these dispatch functions
fn main() {
    assert_eq!((), ___(&__));
    assert_eq!((), ____(&__));
}