const fn foo(n) {
    n + 1
}

const VALUE1 = foo(1);

const VALUE2 = {
    foo(2) + 4
};

const VALUE3 = {
    foo(8) + 16
};

#[test]
fn const_value() {
    assert_eq!(VALUE1, 2);
    assert_eq!(VALUE2, 7);
    assert_eq!(VALUE3, 25);
    assert_eq!(const { VALUE1 + VALUE2 + VALUE3 }, 34);
    assert_eq!(format!(const { "{" + "}" }, 10), "10");
}
