From 98238e4516a555e98c7770a97527c94aa7c40ea0 Mon Sep 17 00:00:00 2001
From: Lucien Greathouse <me@lpghatguy.com>
Date: Mon, 14 Dec 2020 10:12:51 -0800
Subject: [PATCH] Fix longstanding message_queue warning

---
 src/message_queue.rs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/message_queue.rs b/src/message_queue.rs
index 2f20dcab..8542c671 100644
--- a/src/message_queue.rs
+++ b/src/message_queue.rs
@@ -1,7 +1,4 @@
-use std::{
-    mem,
-    sync::{Mutex, RwLock},
-};
+use std::sync::{Mutex, RwLock};
 
 use futures::sync::oneshot;
 
@@ -58,7 +55,7 @@ impl<T: Clone> MessageQueue<T> {
 
         // Without this annotation, Rust gets confused since the first argument
         // is a MutexGuard, but the second is a Vec.
-        mem::replace::<Vec<_>>(&mut message_listeners, remaining_listeners);
+        *message_listeners = remaining_listeners;
     }
 
     /// Subscribe to any messages occurring after the given message cursor.