let list = [1, 2, 3, 4];

let tuple = {
    field1 = list.0,
    field2 = list.2,
    deeplist = ["foo", "bar"],
};

let testmacro = macro(arg) => {
    output = arg,
};

assert "list.0 == 1";
assert "list.1 == 2";
assert "list.3 == 4";
assert "tuple.field1 == 1";
assert "tuple.field2 == 3";
assert "tuple.deeplist.0 == \"foo\"";
assert "tuple.deeplist.1 == \"bar\"";