Simplify access to MeshFaceBoundary

src/mesh/MeshLineFaceBoundary.cpp

@@ -9,21 +9,10 @@ template <size_t Dimension>
 MeshLineFaceBoundary<Dimension>
 getMeshLineFaceBoundary(const Mesh<Connectivity<Dimension>>& mesh, const IBoundaryDescriptor& boundary_descriptor)
 {
-  for (size_t i_ref_face_list = 0; i_ref_face_list < mesh.connectivity().template numberOfRefItemList<ItemType::face>();
-       ++i_ref_face_list) {
-    const auto& ref_face_list = mesh.connectivity().template refItemList<ItemType::face>(i_ref_face_list);
-    const RefId& ref          = ref_face_list.refId();
-    if (ref == boundary_descriptor) {
+  MeshFaceBoundary<Dimension> mesh_face_boundary          = getMeshFaceBoundary(mesh, boundary_descriptor);
   MeshLineNodeBoundary<Dimension> mesh_line_node_boundary = getMeshLineNodeBoundary(mesh, boundary_descriptor);
 
-      return MeshLineFaceBoundary<Dimension>{mesh, ref_face_list, mesh_line_node_boundary.direction()};
-    }
-  }
-
-  std::ostringstream ost;
-  ost << "cannot find face list with name " << rang::fgB::red << boundary_descriptor << rang::style::reset;
-
-  throw NormalError(ost.str());
+  return MeshLineFaceBoundary<Dimension>{mesh, mesh_face_boundary.refFaceList(), mesh_line_node_boundary.direction()};
 }
 
 template MeshLineFaceBoundary<2> getMeshLineFaceBoundary(const Mesh<Connectivity<2>>&, const IBoundaryDescriptor&);