import x.json2

struct Dataset {
    values [][]string
}

struct Dataset2 {
    values [][]u8
}

fn test_string() {
    d := Dataset{
        values: [
            ['a', 'b', 'c'],
            ['d', 'e', 'f'],
        ]
    }
    s := json2.encode(d)
    println(s)
    d2 := json2.decode[Dataset](s)!
    assert d2.str() == "Dataset{
    values: [['a', 'b', 'c'], ['d', 'e', 'f']]
}"
}

fn test_u8() {
    d := Dataset2{
        values: [
            [u8(1), 2, 3, 4, 5],
            [u8(2), 3, 4, 5, 6],
        ]
    }
    s := json2.encode(d)
    println(s)
    d2 := json2.decode[Dataset2](s)!
    assert d2.str() == 'Dataset2{
    values: [[1, 2, 3, 4, 5], [2, 3, 4, 5, 6]]
}'
}