ContainerMaskTraits.h

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#ifndef DataFormats_Common_ContainerMaskTraits_h
#define DataFormats_Common_ContainerMaskTraits_h
// -*- C++ -*-
//
// Package:     Common
// Class  :     ContainerMaskTraits
// 
//
// Original Author:  
//         Created:  Fri Sep 23 17:05:48 CDT 2011
//

// system include files
#include <cstddef>

// user include files

// forward declarations
namespace edm {
   template<typename T>
   class ContainerMaskTraits {

   public:
      typedef typename T::value_type value_type;

      static size_t size(const T* iContainer) { return iContainer->size();}
      static unsigned int indexFor(const value_type* iElement, const T* iContainer) {
         return iElement-&(iContainer->front());
      }
      
   private:
      //virtual ~ContainerMaskTraits();
      ContainerMaskTraits() = delete;
      ContainerMaskTraits(const ContainerMaskTraits&) = delete; // stop default

      const ContainerMaskTraits& operator=(const ContainerMaskTraits&) = delete; // stop default

      // ---------- member data --------------------------------

   };
}

#endif