The format for declaring function templates with type parameters is: template <class identifier> function_declaration; template <typename identifier> function_declaration; Both expressions have the same meaning and behave in exactly the same way.
형태는 아래와 같다. template <class identifier> function_declaration; template <typename identifier> function_declaration; 두 표현 모두 같은 의미와 같은 행동을 하도록 되어있다.