struct MyStruct {
	x int
}

fn unwrap_option(event_data ?MyStruct) int {
	if val := event_data {
		return val.x
	} else {
		return 0
	}
}

fn wrap_unwrap_ptr(event_data &MyStruct) int {
	return unwrap_option(event_data)
}

fn main() {
	data := MyStruct{
		x: 0
	}
	result := wrap_unwrap_ptr(&data)
	assert data.x == result
}