struct Document0 {
    a int
    b f64
    c string
    d bool
    e u8
    f u32
}

type Any = []Any
    | bool
    | f32
    | f64
    | i16
    | i64
    | i8
    | int
    | map[string]Any
    | string
    | u16
    | u32
    | u64
    | u8

fn raw_encode[T](data T) !map[string]Any {
    mut res := map[string]Any{}
    $for field in T.fields {
        x := data.$(field.name)
        res[field.name] = Any(x)
    }
    return res
}

fn test_main() {
    d := Document0{
        a: 1
        b: 1.1
        c: 'qwerty'
        d: false
        e: u8(0)
        f: u32(0)
    }
    map_data := raw_encode(d)!
    assert map_data['a']! as int == d.a
    assert map_data['b']! as f64 == d.b
    assert map_data['c']! as string == d.c
    assert map_data['d']! as bool == d.d
    assert map_data['e']! as u8 == d.e
    assert map_data['f']! as u32 == d.f
}