From e0f1f70b820030452c2f32d1d7dfe6417230f9c7 Mon Sep 17 00:00:00 2001
From: Dan Balasescu <smoogipoo@smgi.me>
Date: Mon, 11 Mar 2024 15:52:38 +0900
Subject: [PATCH] Adjust NRT to prevent future issues

This way, it will yet at us if the setter is ever moved out of the ctor.
---
 osu.Game.Rulesets.Osu/UI/OsuPlayfield.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/osu.Game.Rulesets.Osu/UI/OsuPlayfield.cs b/osu.Game.Rulesets.Osu/UI/OsuPlayfield.cs
index a55a55f760..4933eb4041 100644
--- a/osu.Game.Rulesets.Osu/UI/OsuPlayfield.cs
+++ b/osu.Game.Rulesets.Osu/UI/OsuPlayfield.cs
@@ -3,6 +3,7 @@
 
 using System;
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
@@ -79,11 +80,12 @@ namespace osu.Game.Rulesets.Osu.UI
             NewResult += onNewResult;
         }
 
-        private IHitPolicy hitPolicy = null!;
+        private IHitPolicy hitPolicy;
 
         public IHitPolicy HitPolicy
         {
             get => hitPolicy;
+            [MemberNotNull(nameof(hitPolicy))]
             set
             {
                 hitPolicy = value ?? throw new ArgumentNullException(nameof(value));