chore: polishing

Author: zavakid

crates/http/src/connection/http_connection.rs

@@ -158,7 +158,7 @@ where
         };
 
         let header = Message::<_, T::Data>::Header((ResponseHead::from_parts(header_parts, ()), payload_size));
-        if !payload_size.is_empty() {
+        if payload_size.is_not_empty() {
             self.framed_write.feed(header).await?;
         } else {
             // using send instead of feed, because we want to flush the underlying IO

crates/http/src/protocol/message.rs

@@ -68,6 +68,11 @@ impl PayloadSize {
     pub fn is_empty(&self) -> bool {
         matches!(self, PayloadSize::Empty)
     }
+
+    #[inline]
+    pub fn is_not_empty(&self) -> bool {
+        !self.is_empty()
+    }
 }
 
 impl<T> Message<T> {