Compiles again after command subsystem

terrified to start testing

async-fn-stream/src/lib.rs

@@ -23,7 +23,7 @@ pub fn stream<'a, T: 'a>(
 	let (send, recv) = mpsc::channel::<T>(1);
 	let fut = async { f(StreamCtx(send, PhantomData)).await };
 	// use options to ensure that the stream is driven to exhaustion
-	select_with_strategy(fut.into_stream().map(|()| None), recv.map(|t| Some(t)), left_strat)
+	select_with_strategy(fut.into_stream().map(|()| None), recv.map(Some), left_strat)
 		.filter_map(async |opt| opt)
 }