error: void value not ignored as it ought to be

Question

template  Z myTemplate  :: popFromVector ()
{
    if (myVector.empty () == false)
        return myVector.pop_back ();

    return 0;
}

int m         


        

Answer 1

It's the pop_back(). It has a void return type. You have to use back() to get the actual value. This is to avoid unnecessary copies.