Cannot init UserdataMetatable when class is noncopyable about kaguya HOT 5 CLOSED

struct NcTest {
  NcTest() { printf("NcTest()\r\n"); }

  NcTest(const NcTest &other) { printf("NcTest(const NcTest& other)\r\n"); }

  NcTest(NcTest &&other) noexcept { printf("NcTest(NcTest&& other)\r\n"); }

  NcTest &operator=(const NcTest &other) {
    printf("NcTest& operator=(const NcTest& other)\r\n");
    return *this;
  }

  NcTest &operator=(NcTest &&other) {
    printf("NcTest& operator=(NcTest&& other)\r\n");
    return *this;
  }

  auto foo() -> NcTest &{
    printf("foo()\r\n");
    return *this;
  }
};

auto const ncTestMt =
    kaguya::UserdataMetatable<NcTest>().setConstructors<NcTest()>().addFunction(
        "foo", &NcTest::foo);

int main() {
  kaguya::State state;
  state["T"].setClass(ncTestMt);
  state("a = T.new()");
  state("a:foo():foo()");

  return 0;
}

.addStaticFunction("foo", [](NcTest* self){return &self->foo();})