// Copyright (c) 2020 by Chrono

// this is a template source for convient
// change 'HELLO' to your own macro identifier
#ifndef _HELLO_HPP
#define _HELLO_HPP

#include "cpplang.hpp"

BEGIN_NAMESPACE(cpp_study)

// todo: your code are here

END_NAMESPACE(cpp_study)

#endif  //_HELLO_HPP