perf(util): optimize <BufList as Buf>::has_remaining

This allows short-circuiting when there is a non-empty chunk.
hyperium · Sep 10, 2023 · 10a9f72 · 10a9f72
1 parent 63b67ae
commit 10a9f72
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/http-body-util/src/util.rs b/http-body-util/src/util.rs
@@ -27,6 +27,11 @@ impl<T: Buf> Buf for BufList<T> {
         self.bufs.iter().map(|buf| buf.remaining()).sum()
     }
 
+    #[inline]
+    fn has_remaining() -> bool {
+        self.bufs.iter().any(|buf| buf.has_remaining())
+    }
+
     #[inline]
     fn chunk(&self) -> &[u8] {
         self.bufs.front().map(Buf::chunk).unwrap_or_default()