Function len_and_is_empty

nodedb-vector/src/collection/codec_dispatch.rs:156–161

()

    #[test]
    fn len_and_is_empty() {
        let vecs = make_vectors(20, 4);
        let codec = build_collection_codec("bbq", &vecs, 4, 8, 50, 1).unwrap();
        assert_eq!(codec.len(), 20);
        assert!(!codec.is_empty());
    }

    #[test]
    fn quantization_tag() {