JClassDef.hh

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#ifndef __JROOT__JCLASSDEF__
#define __JROOT__JCLASSDEF__
 
#include <type_traits>
 
#include "TObject.h"
 
/**
 * \author mdejong
 */
 
namespace JROOT {}
namespace JPP { using namespace JROOT; }
 
namespace JROOT {
 
  /**
   * Test ROOT ClassDef.
   */
  template <class T>
  class JClassDef
  {
    template<class U> static auto exists(U*) -> decltype(&U::Class_Name);
    template<class U> static auto exists(...) -> std::false_type;
 
  public:
    static const bool value = !std::is_same<std::false_type, decltype(exists<T>(0))>::value;  //!< true if ROOT compatible class; else false
  };
}
 
#endif