clippy: fix needless_late_init

https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init

Signed-off-by: Tim Zhang <[email protected]>

Author: Tim-Zhang

src/sync/client.rs

@@ -225,19 +225,16 @@ impl Client {
             .send((buf, tx))
             .map_err(err_to_others_err!(e, "Send packet to sender error "))?;
 
-        let result: Result<Vec<u8>>;
-        if req.timeout_nano == 0 {
-            result = rx
-                .recv()
-                .map_err(err_to_others_err!(e, "Receive packet from recver error: "))?;
+        let result = if req.timeout_nano == 0 {
+            rx.recv()
+                .map_err(err_to_others_err!(e, "Receive packet from recver error: "))?
         } else {
-            result = rx
-                .recv_timeout(Duration::from_nanos(req.timeout_nano as u64))
+            rx.recv_timeout(Duration::from_nanos(req.timeout_nano as u64))
                 .map_err(err_to_others_err!(
                     e,
                     "Receive packet from recver timeout: "
-                ))?;
-        }
+                ))?
+        };
 
         let buf = result?;
         let mut s = CodedInputStream::from_bytes(&buf);

src/sync/server.rs

@@ -188,9 +188,8 @@ fn start_method_handler_thread(
             trace!("Got Message request {:?}", req);
 
             let path = format!("/{}/{}", req.service, req.method);
-            let method;
-            if let Some(x) = methods.get(&path) {
-                method = x;
+            let method = if let Some(x) = methods.get(&path) {
+                x
             } else {
                 let status = get_status(Code::INVALID_ARGUMENT, format!("{} does not exist", path));
                 let mut res = Response::new();
@@ -207,7 +206,7 @@ fn start_method_handler_thread(
                     break;
                 }
                 continue;
-            }
+            };
             let ctx = TtrpcContext {
                 fd,
                 mh,