From aa2090c079b58b798d26f566187774d3d3c454b4 Mon Sep 17 00:00:00 2001
From: Victor Brekenfeld <github@drakulix.de>
Date: Mon, 3 Dec 2018 23:28:01 +0100
Subject: [PATCH] docs: add session/multi

---
 src/backend/session/multi.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/backend/session/multi.rs b/src/backend/session/multi.rs
index 8fa57b3..4cd3fb7 100644
--- a/src/backend/session/multi.rs
+++ b/src/backend/session/multi.rs
@@ -52,6 +52,11 @@ impl SessionNotifier for MultiNotifier {
     }
 }
 
+/// Create a pair of a linked [`SessionObserver`](../trait.SessionObserver.html) and a
+/// [`SessionNotifier`](../trait.SessionNotifier.html).
+///
+/// Observers added to the returned notifier are notified,
+/// when the returned observer is notified.
 pub fn notify_multiplexer() -> (impl SessionObserver, impl SessionNotifier<Id = Id>) {
     let observer = Arc::new(Mutex::new(HashMap::new()));