From c58e4a51b3764527113b86f913bea257407d0254 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dariusz=20Komosi=C5=84ski?= <darek.komosinski@gmail.com>
Date: Fri, 20 Sep 2019 15:24:33 +0200
Subject: [PATCH] Add comments.

---
 src/Avalonia.Base/PriorityBindingEntry.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Avalonia.Base/PriorityBindingEntry.cs b/src/Avalonia.Base/PriorityBindingEntry.cs
index 312018d8ee..7f5415c2d8 100644
--- a/src/Avalonia.Base/PriorityBindingEntry.cs
+++ b/src/Avalonia.Base/PriorityBindingEntry.cs
@@ -129,6 +129,8 @@ namespace Avalonia
             }
             else
             {
+                // To avoid allocating closure in the outer scope we need to capture variables
+                // locally. This allows us to skip most of the allocations when on UI thread.
                 var instance = this;
                 var newValue = value;