interface ITest {
	a MySum
}

struct Test {
	a MySum
}

type MySum = bool | int

fn interface_var(a ITest) {
	match a {
		Test {
			$dbg;
		}
		else {}
	}
}

struct MyTest {
	t ITest
}

fn struct_to_interface_field() {
	t1 := Test{}
	_ := MyTest{
		t: t1
	}
	mut t2 := Test{}
	_ := MyTest{
		t: t2
	}
	$dbg;
}

fn main() {
	interface_var(Test{ a: true })
	struct_to_interface_field()
}