[ndnSIM] How To Traverse All Faces in Forwarder

[cjb0725 at mail.ustc.edu.cn]

Dear all,
  I want to get all faces in NFD forwarder. Does anyone know how to traverse all faces in forwarder?
  I got an iterator using line below, but it seems like an unusual one , don't know how to use it.
 
  FaceTable::const_iteratorit = this->getFaceTable().begin();


Thanks,
Chen


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