Merge #1236

1236: Add `#[must_use]` to all futures r=Dirbaio a=GrantM11235

I think that's all of them, I just grep'd for `impl.* Future for`

Co-authored-by: Grant Miller <[email protected]>

1 files changed, 1 insertions, 0 deletions

diff --git a/embassy-time/src/timer.rs b/embassy-time/src/timer.rs
index bd791b817..f74b5cb24 100644
--- a/embassy-time/src/timer.rs
+++ b/embassy-time/src/timer.rs
@@ -26,6 +26,7 @@ pub async fn with_timeout<F: Future>(timeout: Duration, fut: F) -> Result<F::Out
 }
 
 /// A future that completes at a specified [Instant](struct.Instant.html).
+#[must_use = "futures do nothing unless you `.await` or poll them"]
 pub struct Timer {
     expires_at: Instant,
     yielded_once: bool,