std::forward_list::reverse() is an inbuilt function in CPP STL which reverses the order of the elements present in the forward_list.
Parameter: The function does not accept any parameter.
Return value: The function has no return value. It reverses the forward list.
Below program demonstrates the above function:
List elements before performing reverse operation: 10 20 40 30 70 List elements after performing reverse operation: 70 30 40 20 10