Function fst_stream_into_vec 

pub fn fst_stream_into_vec<'f, I, S>(stream: I) -> Vec<String>
where
    I: for<'a> IntoStreamer<'a, Into = S, Item = &'a [u8]>,
    S: 'f + for<'a> Streamer<'a, Item = &'a [u8]>,