use tokio_util::io::{ReaderStream, StreamReader}; use crate::{adapted_iter::AdaptedFilesIterBox, adapters::*}; use async_stream::stream; pub fn concat_read_streams( input: AdaptedFilesIterBox, ) -> ReadBox { let s = stream! { for await output in input { let stream = ReaderStream::new(output.inp); for await bytes in stream { yield bytes; } } }; Box::pin(StreamReader::new(s)) }