Timer

Timer.h

#include <chrono>

class Timer
{
public:
	Timer() { Reset(); }
	void Reset() { m_Start = std::chrono::high_resolution_clock::now(); }
	float Elapsed() const { return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::high_resolution_clock::now() - m_Start).count() * 0.001f * 0.001f; }
	float ElapsedMillis() const { return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::high_resolution_clock::now() - m_Start).count() * 0.001f; }
private:
	std::chrono::time_point<std::chrono::high_resolution_clock> m_Start;
};

class ScopedTimer
{
public:
    ScopedTimer(std::string_view name) : m_Name(name) {}
    ~ScopedTimer()
    {
        float time = m_Timer.ElapsedMillis();
        std::cout << m_Name << " - " << time << "ms\n";
    }
private:
    Timer m_Timer;
    std::string m_Name;
};

Recently made a similar thing in C using macro magic https://github.com/Bricktech2000/tictac.h :)