CConstBidirectionalRange.h

#pragma once

#if defined(CConstBidirectionalRange_RECURSES)
#error Recursive header files inclusion detected in CConstBidirectionalRange.h
#else // defined(CConstBidirectionalRange_RECURSES)

#define CConstBidirectionalRange_RECURSES

#if !defined CConstBidirectionalRange_h

#define CConstBidirectionalRange_h

// Inclusions
#include "DGtal/base/Common.h"
#include "boost/concept_check.hpp"
#include "DGtal/base/ConceptUtils.h"
#include "DGtal/base/CConstSinglePassRange.h"

namespace DGtal
{

  namespace concepts
  {

    // class CConstBidirectionalRange
    template <typename T>
    struct CConstBidirectionalRange: CConstSinglePassRange<T>
    {
      // ----------------------- Concept checks ------------------------------
    public:
      typedef typename T::ConstReverseIterator ConstReverseIterator;
  
      BOOST_CONCEPT_ASSERT(( boost_concepts::SinglePassIteratorConcept<ConstReverseIterator> ));
  
      BOOST_CONCEPT_USAGE(CConstBidirectionalRange)
      {
        checkConstConstraints();
      }
      void checkConstConstraints() const
      {
        concepts::ConceptUtils::sameType( it, i.rbegin() );
        concepts::ConceptUtils::sameType( it, i.rend() );
      }
  
    private:
      T i;
      ConstReverseIterator it;
    }; // end of concept CConstBidirectionalRange

  } // namespace concepts

} // namespace DGtal




#endif // !defined CConstBidirectionalRange_h

#undef CConstBidirectionalRange_RECURSES
#endif // else defined(CConstBidirectionalRange_RECURSES)