[AGENT++] should to be delete here?

[OELoo Jerry]

hi all
   some code from the agent++' examples:

   mib = new Mib();
 reqList = new RequestList();
Request* req;
 while (run) {
  req = reqList->receive(2);

  if (req) {
      mib->process_request(req);
  }
  else {
      mib->cleanup();
  }
 }
 delete mib;

from above code, we can see the "reqList" have been newed but it has not 
been deleted distinctly ? this is why? 
is there memory leak here? or it has been deleted in internal?
thanks 
any hints will be appreciated !
                                                                    Jerry

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