Function terminus_store::layer::open_child_triple_stream

pub fn open_child_triple_stream<F: 'static + FileLoad + FileStore>(
    subjects_file: F, 
    s_p_files: AdjacencyListFiles<F>, 
    sp_o_files: AdjacencyListFiles<F>
) -> impl Stream<Item = (u64, u64, u64), Error = Error> + Send