wmtk::utils::metaprogramming::ReferenceWrappedFunctorReturnCacheCustomComparator< wmtk::operations::utils::MultiMeshEdgeCollapseFunctor, wmtk::utils::metaprogramming::MeshVariantTraits, wmtk::simplex::utils::MeshSimplexComparator, simplex::NavigatableSimplex > CollapseReturnData