#pragma once

#include <string>
#include <chrono>

class MyTimer {
public:
	explicit MyTimer(const std::string &name) {
		_name = name;
		_start = std::chrono::steady_clock::now();
	}

	~MyTimer() {
		_end = std::chrono::steady_clock::now();
		auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(_end - _start).count();
		std::printf("%s cast %dms\n", _name.c_str(), duration);
	}

private:
	std::chrono::time_point<std::chrono::steady_clock> _start;
	std::chrono::time_point<std::chrono::steady_clock> _end;
	std::string _name;
};

#define TIMER() MyTimer __timer(__FUNCTION__);