app_async/src/main.rs

@@ -160,7 +160,7 @@ async fn read_from_db(id: u32) -> Option<Question> {
 
     match reader.get(index).await {
         Ok(question) => Some(question),
-        Err(_) => None
+        Err(_) => None,
     }
 }
 async fn write_db() {
@@ -168,7 +168,8 @@ async fn write_db() {
     tokio::try_join!(
         tokio::spawn(zip_reader_task(tx)),
         tokio::spawn(db_writer_task(rx))
-    ).expect("tokio join");
+    )
+    .expect("tokio join");
     println!("all done");
 }
 async fn db_writer_task(rx: UnboundedReceiver<Question>) {

lib/src/async_db.rs

@@ -79,7 +79,9 @@ where
         let item_data = bincode::encode_to_vec(item, BINCODE_CFG).str_err()?;
 
         let mut zencoder = ZstdEncoder::with_quality(&item_data[..], self.compress_lvl);
-        io::copy(&mut zencoder, &mut self.data_buf).await.str_err()?;
+        io::copy(&mut zencoder, &mut self.data_buf)
+            .await
+            .str_err()?;
 
         self.table.push(pos);