#include <folly/experimental/ThreadedRepeatingFunctionRunner.h>
#include <iostream>
#include <gtest/gtest.h>
#include <chrono>
#include <thread>
#include <functional>
using namespace folly;
using namespace std;
using std::literals::chrono_literals::operator""s;
using std::literals::chrono_literals::operator""ms;
//running in another thread 
  struct MyClass final {
    MyClass() : count_(0) {}
 
    ~MyClass() {
      threads_.stop();  // Stop threads BEFORE destroying any state they use.
    }
 
    void init() {
      threads_.add("hello", [this]()noexcept {
        return this->incrementCount();
      });
    }
 
    std::chrono::milliseconds incrementCount() noexcept {
      cout<<count_<<endl;
      ++count_;
      return 1000ms;
    }
 
  private:
    std::atomic<int> count_;
    // CAUTION: Declare last since the threads access other members of `this`.
    ThreadedRepeatingFunctionRunner threads_;
  };
TEST(threadedrepeat,runner) { 
  MyClass repeat;
  repeat.init();
  std::this_thread::sleep_for(5s);
}