fn array_array_array[T](len int, value T) [][][]T {
    return [][][]T{len: len, init: [][]T{len: len, init: []T{len: len, init: value}}}
}

fn test_array_to_string_conversion() {
    a := ['1', '2', '3', '4']
    assert a.str() == "['1', '2', '3', '4']"

    b := [1, 2, 3, 4]
    assert b.str() == '[1, 2, 3, 4]'

    c := [1.1, 2.2, 3.3, 4.4]
    assert c.str() == '[1.1, 2.2, 3.3, 4.4]'

    d := [i16(1), 2, 3]
    assert d.str() == '[1, 2, 3]'

    e := [i64(1), 2, 3]
    assert e.str() == '[1, 2, 3]'

    f := [u8(66), 32, 126, 10, 13, 5, 18, 127, 255]
    assert f.str() == '[66, 32, 126, 10, 13, 5, 18, 127, 255]'

    // https://github.com/vlang/v/issues/8036
    g := array_array_array[int](2, 2)
    assert g.str() == '[[[2, 2], [2, 2]], [[2, 2], [2, 2]]]'
}

fn test_interpolation_array_to_string() {
    a := ['1', '2', '3']
    assert '${a}' == "['1', '2', '3']"

    b := [1, 2, 3, 4]
    assert '${b}' == '[1, 2, 3, 4]'

    c := [1.1, 2.2, 3.3, 4.4]
    assert '${c}' == '[1.1, 2.2, 3.3, 4.4]'

    d := [i16(1), 2, 3]
    assert '${d}' == '[1, 2, 3]'

    e := [i64(1), 2, 3]
    assert '${e}' == '[1, 2, 3]'
}

fn test_interpolation_array_of_map_to_string() {
    mut ams := []map[string]string{}
    ams << {
        'a': 'b'
        'c': 'd'
    }
    ams << {
        'e': 'f'
        'g': 'h'
    }
    assert '${ams}' == "[{'a': 'b', 'c': 'd'}, {'e': 'f', 'g': 'h'}]"
}