With macro and closures, you can implement your objects as you wish; so in this way of thinking, you don't need to "build it again and again"... it's just that

With macro and closures, you can implement your objects as you wish; so in this way of thinking, you don't need to "build it again and again"... it's just that depending of the problem, there are better ways. (i.e. sort_by vs overriding operator< or building a functor someone?)