Returning Vectors standard in C++

Question

Now, I know this is a common question, but I haven\'t been able to really find a straight answer on this. This is really a question about standards. I am working on a project in

Answer 1

Is the only solution to pass a "resultant" vector by reference?

No. You can also pass an iterator, like algorithms do:

void func( InputIt first, InputIt last, OutputIt res);

you can then make this a template:

template< class InputIt, class OutputIt >
void func( InputIt first, InputIt last, OutputIt res);