Mark Ticker stream as FusedStream

embassy-time/src/timer.rs

@@ -3,6 +3,7 @@ use core::pin::Pin;
 use core::task::{Context, Poll, Waker};
 
 use futures_util::future::{select, Either};
+use futures_util::stream::FusedStream;
 use futures_util::{pin_mut, Stream};
 
 use crate::{Duration, Instant};
@@ -163,6 +164,13 @@ impl Stream for Ticker {
     }
 }
 
+impl FusedStream for Ticker {
+    fn is_terminated(&self) -> bool {
+        // `Ticker` keeps yielding values until dropped, it never terminates.
+        false
+    }
+}
+
 extern "Rust" {
     fn _embassy_time_schedule_wake(at: Instant, waker: &Waker);
 }