/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/AthContainers/AthContainers/tools/CompareAndPrint.h

#ifndef ATHCONTAINERS_TOOLS_COMPAREANDPRINT_H
#define ATHCONTAINERS_TOOLS_COMPAREANDPRINT_H 1

//****************************************************************************
// Helpers for deleting @c DataVector/List elements.
//

#include <algorithm> /*sort, unique */
#include <typeinfo>

namespace DataModel_detail {
class CompareAndPrint
{
public:
  CompareAndPrint(bool quiet)
    : m_quiet(quiet) {}


  template <typename Element>
  bool operator()(Element* f, Element* s) const
  {
    bool areEq = (f == s); 
    if (!m_quiet && areEq && f != 0)
      warn (typeid (*f), f);
    return areEq;
  }


  // This is defined out-of-line in the cxx file.
  void warn (const std::type_info& ti, const void* f) const;


private:
  bool m_quiet; 
};
} // namespace DataModel_detail
#endif  // not ATHCONTAINERS_TOOLS_COMPAREANDPRINT_H

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