add #[must_use] to more futures and streams (#1309)

2026-09-02 00:00:11 +02:00 · 2019-07-15 13:28:56 -07:00
parent 2dde2b448f
commit b14e189e44
34 changed files with 35 additions and 12 deletions
@@ -17,6 +17,7 @@ where

 /// Future returned by `metadata`.
 #[derive(Debug)]
+#[must_use = "futures do nothing unless you `.await` or poll them"]
 pub struct MetadataFuture<P>
 where
    P: AsRef<Path> + Send + 'static,