CConstBidirectionalRangeFromPoint.h

#pragma once

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

#define CConstBidirectionalRangeFromPoint_RECURSES

#if !defined CConstBidirectionalRangeFromPoint_h

#define CConstBidirectionalRangeFromPoint_h

// Inclusions
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/base/CConstBidirectionalRange.h"

namespace DGtal
{

  namespace concepts
  {

    // class CConstBidirectionalRangeFromPoint
    template <typename T>
    struct CConstBidirectionalRangeFromPoint: CConstBidirectionalRange<T>
    {
      // ----------------------- Concept checks ------------------------------
    public:
      // 1. define first provided types (i.e. inner types), like
      typedef typename T::Point Point;

      // 2. then check the presence of data members, operators and methods with
      BOOST_CONCEPT_USAGE( CConstBidirectionalRangeFromPoint )
      {
        checkConstConstraints();
      }
      void checkConstConstraints() const
      {
        // const method dummyConst should take parameter myA of type A and return
        // something of type B
        concepts::ConceptUtils::sameType( myB, myX.rbegin( myPoint ) );
      }
      // ------------------------- Private Datas --------------------------------
    private:
      T myX; // do not require T to be default constructible.
      Point myPoint;
      typename T::ConstReverseIterator myB;

      // ------------------------- Internals ------------------------------------
    private:

    }; // end of concept CConstBidirectionalRangeFromPoint

  } // namespace concepts

} // namespace DGtal


#endif // !defined CConstBidirectionalRangeFromPoint_h

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