OBJ importer/exporter.
using index_type = typename face_type::value_typeusing face_type = typename face_array::value_typeusing face_array = typename polyhedron_type::face_arrayusing vertex_array = typename polyhedron_type::vertex_arrayusing polyhedron_type = vtb::geometry::Polyhedron< T >polyhedron() -> polyhedron_type &polyhedron() const -> const polyhedron_type &read(std::istream & in) -> voidwrite(std::ostream & out) const -> voidclear() -> voidObject(polyhedron_type && polyhedron)explicitObject(const polyhedron_type & polyhedron)explicitoperator=(Object &&) -> Object &Object(Object &&)operator=(const Object &) -> Object &Object(const Object &)~Object()Object()template <class T> operator>>(std::istream & in, Object< T > & rhs) -> std::istream &template <class T> operator<<(std::ostream & out, const Object< T > & rhs) -> std::ostream &