Resolve blocking commit deadlock and clippy warnings

nvim-core/src/lib.rs

@@ -152,7 +152,8 @@ async fn get_nvim_connection() -> Result<mpsc::Sender<NvimRequest>, String> {
 
     let (mut read_half, mut write_half) = tokio::io::split(stream);
     let (tx, mut rx) = mpsc::channel::<NvimRequest>(32);
-    let pending_requests: Arc<Mutex<HashMap<String, oneshot::Sender<Result<rmpv::Value, String>>>>> = Arc::new(Mutex::new(HashMap::new()));
+    type PendingRequestsMap = Arc<Mutex<HashMap<String, oneshot::Sender<Result<rmpv::Value, String>>>>>;
+    let pending_requests: PendingRequestsMap = Arc::new(Mutex::new(HashMap::new()));
 
     // Write task
     let pending_clone = Arc::clone(&pending_requests);