If we implemented conversion for `user_ns::ip_address` manually with this approach, it would look like this:
If we implemented conversion for `user_ns::ip_address` manually with this approach, it would look like this:如果我们采用这种方式手动对 `user_ns::ip_address` 进行转换,其效果将会是这样的:
If we implemented conversion for `user_ns::ip_address` manually with this approach, it would look like this:如果我们采用这种方式手动对 `user_ns::ip_address` 进行转换,其效果将会是这样的: