typetraits.hh

#ifndef DUNE_ALUGRID_COMMON_TYPETRAITS_HH
#define DUNE_ALUGRID_COMMON_TYPETRAITS_HH
 
#include <type_traits>
#include <utility>
 
#include <dune/grid/common/datahandleif.hh>
 
namespace Dune
{
 
  // IsDataHandle
  // -----------
 
  template< class Impl, class Data >
  std::true_type __IsDataHandle ( const CommDataHandleIF< Impl, Data > & );
 
  std::false_type __IsDataHandle ( ... );
 
  template< class T >
  struct IsDataHandle
    : public decltype( __IsDataHandle( std::declval< T >() ) )
  {};
 
} // namespace Dune
 
#endif // #ifndef DUNE_ALUGRID_COMMON_TYPETRAITS_HH