(2024-09-03 14:35:15) [INFO    ] Before Init
terminate called after throwing an instance of 'std::system_error'
  what():  Invalid argument

#include <crow.h>

#include <chrono>
#include <thread>

int main(int /*ac*/, char ** /*av*/) {
  crow::SimpleApp app;

  CROW_ROUTE(app, "/")
  ([]() {
    return "foo";
  });

  CROW_LOG_INFO << "Before Init";
  // async example
  auto f = app.bindaddr("127.0.0").port(8001).run_async();
  app.wait_for_server_start();

  // sync example
  // app.bindaddr("127.0.0").port(8001).run();

  CROW_LOG_INFO << "After Init";
  using namespace std::chrono_literals;
  std::this_thread::sleep_for(5s);
  app.stop();
}