Cleanup blocking_iter return type

src/event.rs

@@ -1,6 +1,5 @@
 use std::iter;
 use std::sync::mpsc;
-use std::sync::mpsc::TryIter;
 
 use std::thread;
 use std::time::{Duration, Instant};
@@ -45,20 +44,15 @@ impl Events {
             })
         };
         Events {
-            tx: tx,
-            rx: rx,
+            tx,
+            rx,
             tick_handle,
         }
     }
 
     /// Returns a chain of the next element (blocking) and a TryIter of everything after it.
     /// Useful for reading a single Iterator of all elements once after blocking, so there are not too many UI redraws.
-    pub fn blocking_iter(
-        &self,
-    ) -> Result<iter::Chain<iter::Once<Event<KeyEvent>>, TryIter<Event<KeyEvent>>>, mpsc::RecvError>
-    {
-        Ok(iter::once(self.rx.recv()?)
-            .chain(self.rx.try_iter())
-            .into_iter())
+    pub fn blocking_iter(&self) -> Result<impl Iterator<Item = Event<KeyEvent>> + '_, mpsc::RecvError> {
+        Ok(iter::once(self.rx.recv()?).chain(self.rx.try_iter()))
     }
 }