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/memory.rs b/tvix/castore/src/directoryservice/memory.rs
index 3ba309f82927..528ffe2f2c03 100644
--- a/tvix/castore/src/directoryservice/memory.rs
+++ b/tvix/castore/src/directoryservice/memory.rs
@@ -1,7 +1,6 @@
 use crate::{proto, B3Digest, Error};
-use futures::Stream;
+use futures::stream::BoxStream;
 use std::collections::HashMap;
-use std::pin::Pin;
 use std::sync::{Arc, RwLock};
 use tonic::async_trait;
 use tracing::{instrument, warn};
@@ -73,7 +72,7 @@ impl DirectoryService for MemoryDirectoryService {
     fn get_recursive(
         &self,
         root_directory_digest: &B3Digest,
-    ) -> Pin<Box<dyn Stream<Item = Result<proto::Directory, Error>> + Send>> {
+    ) -> BoxStream<Result<proto::Directory, Error>> {
         traverse_directory(self.clone(), root_directory_digest)
     }