text: #include <string>
  #include <upcxx/upcxx.hpp>
  
  int main() {
    upcxx::init();
  
    std::string s;
    upcxx::rpc(upcxx::world(), 0, upcxx::operation_cx::as_future(), [](int v) {}, s).wait();
    
    
    upcxx::finalize();
  }
  