import x.encoding.asn1

struct AExample {
    a asn1.OctetString
}

fn (a AExample) tag() asn1.Tag {
    return asn1.default_sequence_tag
}

fn (a AExample) payload() ![]u8 {
    mut out := []u8{}
    out << asn1.encode(a.a)!
    return out
}

// BExample is aliased type, without redefined methods of AExample
type BExample = AExample

fn test_main() {
    exa := AExample{
        a: asn1.OctetString.new('hi')!
    }
    exb := BExample(exa)
    assert '${exa.tag()}' == 'universal-true-16'
    assert exa.payload()!.len == 4
    assert asn1.encode(exa)!.len == 6

    assert '${exb.tag()}' == 'universal-true-16'
    assert exb.payload()!.len == 4
    assert asn1.encode(exb)!.len == 6
}