RNTupleMerger.hxx

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/// \file ROOT/RNTupleMerger.hxx
/// \ingroup NTuple ROOT7
/// \author Jakob Blomer <jblomer@cern.ch> & Max Orok <maxwellorok@gmail.com>
/// \date 2020-07-08
/// \warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback
/// is welcome!
 
/*************************************************************************
 * Copyright (C) 1995-2020, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#ifndef ROOT7_RNTupleMerger
#define ROOT7_RNTupleMerger
 
#include <ROOT/RError.hxx>
#include <ROOT/RNTupleDescriptor.hxx>
#include <ROOT/RNTupleUtil.hxx>
 
namespace ROOT {
namespace Experimental {
 
// clang-format off
/**
\class ROOT::Experimental::RFieldMerger
\ingroup NTuple
\brief Two-way merge between NTuple fields
*/
// clang-format on
class RFieldMerger {
private:
   /// The merged field descriptor
   RFieldDescriptor fMergedField = RFieldDescriptor();
public:
   static RResult<RFieldMerger> Merge(const RFieldDescriptor &lhs, const RFieldDescriptor &rhs);
};
 
} // namespace Experimental
} // namespace ROOT
 
#endif