refactor: use idiom to iterate over keys in HashMap

Found by clippy.

Sponsored-by: author

1 files changed, 1 insertions, 1 deletions

diff --git a/src/chunkstore.rs b/src/chunkstore.rs
index 750b68b..4c8125c 100644
--- a/src/chunkstore.rs
+++ b/src/chunkstore.rs
@@ -157,7 +157,7 @@ impl RemoteStore {
 
         let hits: HashMap<String, ChunkMeta> =
             serde_json::from_slice(&body).map_err(StoreError::JsonParse)?;
-        let ids = hits.iter().map(|(id, _)| ChunkId::recreate(id)).collect();
+        let ids = hits.keys().map(|id| ChunkId::recreate(id)).collect();
         Ok(ids)
     }