scoped_timer.h

Go to the documentation of this file.

#pragma once
#include <chrono>
#include <iostream>
 
namespace hgps::core {
 
class ScopedTimer {
  public:
    using ClockType = std::chrono::steady_clock;
 
    ScopedTimer(const char *func) : function_{func}, start_{ClockType::now()} {}
 
    ScopedTimer(const ScopedTimer &) = delete;
    ScopedTimer(ScopedTimer &&) = delete;
    auto operator=(const ScopedTimer &) -> ScopedTimer & = delete;
    auto operator=(ScopedTimer &&) -> ScopedTimer & = delete;
 
    ~ScopedTimer() {
        using namespace std::chrono;
        auto stop = ClockType::now();
        auto duration = (stop - start_);
        auto ms = duration_cast<milliseconds>(duration).count();
        std::cout << ms << " ms " << function_ << '\n';
    }
 
  private:
    const char *function_ = {};
    const ClockType::time_point start_ = {};
};
} // namespace hgps::core