/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/CxxUtils/CxxUtils/enable_if.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
// $Id$
#ifndef CXXUTILS_ENABLE_IF_H
#define CXXUTILS_ENABLE_IF_H


#if __cplusplus > 201100
# include <type_traits>
namespace Cxxutils { using std::enable_if; }
#else

namespace CxxUtils {

  // Primary template.
  template<bool, typename _Tp = void>
    struct enable_if 
    { };

  // Partial specialization for true.
  template<typename _Tp>
    struct enable_if<true, _Tp>
    { typedef _Tp type; };


} // namespace CxxUtils

#endif


#endif // not CXXUTILS_ENABLE_IF_H

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