00001 #include "DataFormats/Provenance/interface/ProductID.h" 00002 #include <ostream> 00003 00004 namespace edm { 00005 std::ostream& 00006 operator<<(std::ostream& os, ProductID const& id) { 00007 os << id.id_; 00008 return os; 00009 } 00010 }