chore(tvix/store): Use BoxStream type alias r/7435

The BoxStream type alias is a more concise and easier to read than
the full `Pin<Box<dyn Stream<Item = ...> + Send + ...>>` type.

Change-Id: I5b7bccfd066ded5557e01f7895f4cf5c4a33bd44
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10677
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Autosubmit: Connor Brewster <cbrewster@hey.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/tvix/castore/src/directoryservice/grpc.rs b/tvix/castore/src/directoryservice/grpc.rs
index c98708608e56..ad06cb17b668 100644
--- a/tvix/castore/src/directoryservice/grpc.rs
+++ b/tvix/castore/src/directoryservice/grpc.rs
@@ -1,11 +1,10 @@
 use std::collections::HashSet;
-use std::pin::Pin;
 
 use super::{DirectoryPutter, DirectoryService};
 use crate::proto::{self, get_directory_request::ByWhat};
 use crate::{B3Digest, Error};
 use async_stream::try_stream;
-use futures::Stream;
+use futures::stream::BoxStream;
 use tokio::spawn;
 use tokio::sync::mpsc::UnboundedSender;
 use tokio::task::JoinHandle;
@@ -106,7 +105,7 @@ impl DirectoryService for GRPCDirectoryService {
     fn get_recursive(
         &self,
         root_directory_digest: &B3Digest,
-    ) -> Pin<Box<dyn Stream<Item = Result<proto::Directory, Error>> + Send>> {
+    ) -> BoxStream<Result<proto::Directory, Error>> {
         let mut grpc_client = self.grpc_client.clone();
         let root_directory_digest = root_directory_digest.clone();