From 42bfe0bd4e05993c3eadf4a652a3e3d3618815aa Mon Sep 17 00:00:00 2001
From: walterlv <xblero@gmail.com>
Date: Tue, 1 May 2018 17:37:26 +0800
Subject: [PATCH] Mark Grid layout methods pure.

---
 src/Avalonia.Controls/Utils/GridLayout.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Avalonia.Controls/Utils/GridLayout.cs b/src/Avalonia.Controls/Utils/GridLayout.cs
index e7a82addfd..6e38a7ceba 100644
--- a/src/Avalonia.Controls/Utils/GridLayout.cs
+++ b/src/Avalonia.Controls/Utils/GridLayout.cs
@@ -139,7 +139,7 @@ namespace Avalonia.Controls.Utils
         /// <returns>
         /// The measured result that containing the desired size and all the column/row length.
         /// </returns>
-        [NotNull]
+        [NotNull, Pure]
         internal MeasureResult Measure(double containerLength)
         {
             // Prepare all the variables that this method needs to use.
@@ -290,7 +290,7 @@ namespace Avalonia.Controls.Utils
         /// <returns>
         /// The measured result that containing the desired size and all the column/row length.
         /// </returns>
-        [NotNull]
+        [NotNull, Pure]
         public ArrangeResult Arrange(double finalLength, [CanBeNull] MeasureResult measure)
         {
             measure = measure ?? Measure(finalLength);