From 3a3cb0c30b0577b495166f90f6679c18d268fa16 Mon Sep 17 00:00:00 2001
From: YoshiRulz <OSSYoshiRulz@gmail.com>
Date: Fri, 12 Feb 2021 16:14:08 +1000
Subject: [PATCH] Convert FirmwareEventArgs to a readonly struct

---
 .../fwmanager/FirmwareEventArgs.cs              | 17 +++++++++++++----
 .../fwmanager/FirmwareManager.cs                |  9 +--------
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/src/BizHawk.Client.Common/fwmanager/FirmwareEventArgs.cs b/src/BizHawk.Client.Common/fwmanager/FirmwareEventArgs.cs
index f88549acee..513f847365 100644
--- a/src/BizHawk.Client.Common/fwmanager/FirmwareEventArgs.cs
+++ b/src/BizHawk.Client.Common/fwmanager/FirmwareEventArgs.cs
@@ -1,13 +1,22 @@
+#nullable enable
+
 using BizHawk.Emulation.Common;
 
 namespace BizHawk.Client.Common
 {
-	public sealed class FirmwareEventArgs
+	public readonly struct FirmwareEventArgs
 	{
-		public string Hash { get; set; }
+		public readonly string? Hash;
 
-		public FirmwareID ID { get; set; }
+		public readonly FirmwareID ID;
 
-		public long Size { get; set; }
+		public readonly long Size;
+
+		public FirmwareEventArgs(FirmwareID id, string? hash, long size)
+		{
+			Hash = hash;
+			ID = id;
+			Size = size;
+		}
 	}
 }
diff --git a/src/BizHawk.Client.Common/fwmanager/FirmwareManager.cs b/src/BizHawk.Client.Common/fwmanager/FirmwareManager.cs
index c3e9c0be8f..5b5efc5cb6 100644
--- a/src/BizHawk.Client.Common/fwmanager/FirmwareManager.cs
+++ b/src/BizHawk.Client.Common/fwmanager/FirmwareManager.cs
@@ -42,14 +42,7 @@ namespace BizHawk.Client.Common
 			{
 				return null;
 			}
-
-			RecentlyServed.Add(new FirmwareEventArgs
-			{
-				ID = id,
-				Hash = resolved.Hash,
-				Size = resolved.Size
-			});
-
+			RecentlyServed.Add(new(id, resolved.Hash, resolved.Size));
 			return resolved.FilePath;
 		}