Dune::Concept::CommDataHandle Concept Reference

#include <dune/grid/concepts/datahandle.hh>

Concept definition

template<class DH>
concept Dune::Concept::CommDataHandle =  requires(const DH chandle, const Archetypes::Entity<2,0>& entity)
{
  typename DH::DataType;
 
  { chandle.contains( 0,  0)  } -> std::convertible_to<bool>;
  { chandle.fixedSize( 0,  0) } -> std::convertible_to<bool>;
  { chandle.size(entity)                      } -> std::integral;
 
  requires requires(DH handle, Archetypes::MessageBuffer<typename DH::DataType> buffer)
  {
    handle.gather(buffer, entity);
    handle.scatter(buffer, entity,  0u);
  };
}