EnumClass.h

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#ifndef ZYPP_BASE_ENUMCLASS_H
#define ZYPP_BASE_ENUMCLASS_H

#include <iosfwd>

#include <zypp-core/base/PtrTypes.h>

namespace zypp
{
  namespace base
  {
    template<typename TEnumDef>
    class EnumClass : public TEnumDef
    {
    public:
      using Enum = typename TEnumDef::Enum;             
      using Integral = std::underlying_type_t<Enum>;

      EnumClass( Enum val_r ) : _val( val_r ) {}

      Enum asEnum() const { return _val; }

      Integral asIntegral() const { return static_cast<Integral>(_val); }

      friend bool operator==( const EnumClass & lhs, const EnumClass & rhs ) { return lhs._val == rhs._val; }
      friend bool operator!=( const EnumClass & lhs, const EnumClass & rhs ) { return lhs._val != rhs._val; }
      friend bool operator< ( const EnumClass & lhs, const EnumClass & rhs ) { return lhs._val <  rhs._val; }
      friend bool operator<=( const EnumClass & lhs, const EnumClass & rhs ) { return lhs._val <= rhs._val; }
      friend bool operator> ( const EnumClass & lhs, const EnumClass & rhs ) { return lhs._val >  rhs._val; }
      friend bool operator>=( const EnumClass & lhs, const EnumClass & rhs ) { return lhs._val >= rhs._val; }

    private:
      Enum _val;
    };
  } // namespace base
} // namespace zypp
#endif // ZYPP_BASE_ENUMCLASS_H