dolfinx::fem::DofMapPackCells Concept Reference

Concept for the degree-of-freedom map data passed to the cell assembly kernel, whose entities are a list of cell indices. More...

#include <traits.h>

Concept definition

template<class T>
concept dolfinx::fem::DofMapPackCells =  DofMapPackBase<T> and requires(const std::remove_cvref_t<T>& t) {
        requires std::ranges::view<std::remove_cvref_t<decltype(t.entities)>>;
        requires IndexList<std::remove_cvref_t<decltype(t.entities)>>;
      }

Detailed Description

Concept for the degree-of-freedom map data passed to the cell assembly kernel, whose entities are a list of cell indices.

The list must be a view: the pack is copied into the kernels, so an owning container would be copied on every call.