Ceph source code snippet - std::move

FileStore::Op *FileStore::build_op(vector<Transaction>& tls,
				   Context *onreadable,
				   Context *onreadable_sync,
				   TrackedOpRef osd_op)
{
  uint64_t bytes = 0, ops = 0;
  for (vector<Transaction>::iterator p = tls.begin();
       p != tls.end();
       ++p) {
    bytes += (*p).get_num_bytes();
    ops += (*p).get_num_ops();
  }

  Op *o = new Op;
  o->start = ceph_clock_now(g_ceph_context);
  o->tls = std::move(tls);
  o->onreadable = onreadable;
  o->onreadable_sync = onreadable_sync;
  o->ops = ops;
  o->bytes = bytes;
  o->osd_op = osd_op;
  return o;
}