const alpha = 'a'
const beta = 'b'
const m = {
    alpha: 'Alpha'
    beta:  'Beta'
}

fn test_const_keys() {
    assert m[alpha] == 'Alpha'
    assert m[beta] == 'Beta'
}

enum Enum {
    a
    b
}

const m2 = {
    Enum.a.str(): 'first'
    Enum.b.str(): 'second'
}

fn test_method_call() {
    assert m2.keys() == ['a', 'b']
    assert m2[Enum.a.str()] == 'first'
    assert m2[Enum.b.str()] == 'second'
}