// =========================================================================
// @author Leonardo Florez Valencia
// @email florez-l@javeriana.edu.co
// =========================================================================
#ifndef __fpa__Functors__RegionGrow__Tautology__h__
#define __fpa__Functors__RegionGrow__Tautology__h__

#include <itkFunctionBase.h>

namespace fpa
{
  namespace Functors
  {
    namespace RegionGrow
    {
      /**
       */
      template< class _TValue >
      class Tautology
        : public itk::FunctionBase< _TValue, bool >
      {
      public:
        typedef _TValue TValue;
        typedef itk::FunctionBase< TValue, bool > Superclass;
        typedef Tautology                         Self;
        typedef itk::SmartPointer< Self >         Pointer;
        typedef itk::SmartPointer< const Self >   ConstPointer;

      public:
        itkNewMacro( Self );
        itkTypeMacro(
          fpa::Functors::RegionGrow::Tautology, itk::FunctionBase
          );

      public:
        virtual bool Evaluate( const TValue& v ) const override
          {
            return( true );
          }

      protected:
        Tautology( )
          : Superclass( )
          {
          }
        virtual ~Tautology( )
          {
          }

      private:
        // Purposely not implemented.
        Tautology( const Self& other );
        Self& operator=( const Self& other );
      };

    } // ecapseman

  } // ecapseman

} // ecapseman

#endif // __fpa__Functors__RegionGrow__Tautology__h__
// eof - $RCSfile$