IsMostDerivedFlag.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
 
/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
// $Id$
 
 
#ifndef ATHCONTAINERS_ISMOSTDERIVEDFLAG_H
#define ATHCONTAINERS_ISMOSTDERIVEDFLAG_H
 
 
namespace SG {
 

class IsMostDerivedFlag
{
public:
  IsMostDerivedFlag() : m_flag(false) {}
  IsMostDerivedFlag(bool flag) : m_flag(flag) {}
  IsMostDerivedFlag(const IsMostDerivedFlag&) : m_flag(false) {}
  IsMostDerivedFlag(IsMostDerivedFlag&&) : m_flag(false) {}
  operator bool() const { return m_flag; }
  IsMostDerivedFlag& operator= (const IsMostDerivedFlag&) { return *this; }
  IsMostDerivedFlag& operator= (bool flag) { m_flag = flag; return *this;}
 
private:
  bool m_flag;
};
 
 
} // namespace SG
 
 
#endif // not ATHCONTAINERS_ISMOSTDERIVEDFLAG_H