light/modules/time/public/timer.hpp

#pragma once

#include <chrono>

namespace lt {

/** Simple timer class to keep track of the elapsed time. */
class Timer
{
public:
	using Clock = std::chrono::steady_clock;

	using Duration = std::chrono::duration<double>;

	using Timepoint = std::chrono::time_point<std::chrono::steady_clock>;

	Timer(Timepoint start = Clock::now());

	void reset(Timepoint start = Clock::now());

	[[nodiscard]] auto elapsed_time() const -> Duration;

private:
	Timepoint m_start;
};

} // namespace lt