From 36dde364797d74bbef0f2b3d665ccbcf94216a47 Mon Sep 17 00:00:00 2001
From: DoTheBestToGetTheBest
 <146037313+DoTheBestToGetTheBest@users.noreply.github.com>
Date: Mon, 23 Oct 2023 10:02:39 -0700
Subject: [PATCH] feat(tokio-util): EventListeners with Listener Management
 (#5136)

Co-authored-by: Matthias Seitz <matthias.seitz@outlook.de>
---
 crates/tokio-util/src/event_listeners.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/crates/tokio-util/src/event_listeners.rs b/crates/tokio-util/src/event_listeners.rs
index d99793fb3..3c940e280 100644
--- a/crates/tokio-util/src/event_listeners.rs
+++ b/crates/tokio-util/src/event_listeners.rs
@@ -33,4 +33,14 @@ impl<T: Clone> EventListeners<T> {
     pub fn push_listener(&mut self, listener: mpsc::UnboundedSender<T>) {
         self.listeners.push(listener);
     }
+
+    /// Returns the number of registered listeners.
+    pub fn len(&self) -> usize {
+        self.listeners.len()
+    }
+
+    /// Returns true if there are no registered listeners.
+    pub fn is_empty(&self) -> bool {
+        self.listeners.is_empty()
+    }
 }