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

2026-09-08 00:00:13 +02:00 · 2019-07-15 13:28:56 -07:00
parent 2dde2b448f
commit b14e189e44
34 changed files with 35 additions and 12 deletions
@@ -7,6 +7,7 @@ use std::task::Poll;

 /// Future returned by `File::seek`.
 #[derive(Debug)]
+#[must_use = "futures do nothing unless you `.await` or poll them"]
 pub struct SeekFuture {
    inner: Option<File>,
    pos: io::SeekFrom,