In this example, we create an instance of SmallVector called myVec, which initially has no elements. We then use the empty() function to check whether the vector is empty or not, and we print the result to the console. After that, we add an element to the vector using the push_back() member function, and we call the empty() function again to check whether the vector is empty or not. The output of the program will be:Is the vector empty? 1 Is the vector empty? 0 ``` This indicates that initially, the vector was empty, but after adding an element, it is no longer empty. In summary, SmallVector is a lightweight container that provides efficient storage and resizing capabilities for small to medium-size vectors. The empty() function is a member function of SmallVector that returns a boolean indicating whether the vector is empty or not.