Function poll_print_finished_state

examples/async.cc:148–162

};

bool poll_print_finished_state(void *env) {
  std::cout << "polling async host function result" << std::endl;
  auto *async_env = static_cast<async_call_env *>(env);
  // Don't block, just poll the future state.
  if (printer_state.print_is_pending()) {
    return false;
  }
  try {
    printer_state.get_print_result();
  } catch (const std::exception &ex) {
    std::string msg = ex.what();
    *async_env->trap_ret = wasmtime_trap_new(msg.data(), msg.size());
  }
  return true;
}
} // namespace

int main() {