The interface is exposition only, as C++ does not allow to declare a parameter `f` after a variadic parameter pack.
The interface is exposition only, as C++ does not allow to declare a parameter `f` after a variadic parameter pack.该接口仅为说明性用法,因为 C++ 不允许在可变参数包之后声明参数 `f`。
The interface is exposition only, as C++ does not allow to declare a parameter `f` after a variadic parameter pack.该接口仅为说明性用法,因为 C++ 不允许在可变参数包之后声明参数 `f`。