detray::concepts::spatial_grid Concept Reference

Concept definition

template<class SG>
concept detray::concepts::spatial_grid = 
    grid<SG> && (surface_accelerator<SG> || volume_accelerator<SG>) &&
    requires(const SG &sgr) {
      typename SG::mask_type;
 
      { sgr.mask() } -> std::same_as<const typename SG::mask_type &>;
    }