how to append a list object to another

Question

in C++, I have two list objects A and B and I want to add all the members of B to the end of A. I\'ve s

Answer 1

If you want to append copies of items in B, you can do:

a.insert(a.end(), b.begin(), b.end());

If you want to move items of B to the end of A (emptying B at the same time), you can do:

a.splice(a.end(), b);

In your situation splicing would be better, since it just involves adjusting a couple of pointers in the linked lists.