From 1a1e7ff478867cfb3388fd78225b7731743b5807 Mon Sep 17 00:00:00 2001
From: hadashiA <dev@hadashikick.jp>
Date: Fri, 18 Aug 2023 17:28:05 +0900
Subject: [PATCH] Make the type readonly

---
 src/Ulid.Unity/Assets/Scripts/Ulid/Ulid.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Ulid.Unity/Assets/Scripts/Ulid/Ulid.cs b/src/Ulid.Unity/Assets/Scripts/Ulid/Ulid.cs
index 214e9a4..7e302cb 100644
--- a/src/Ulid.Unity/Assets/Scripts/Ulid/Ulid.cs
+++ b/src/Ulid.Unity/Assets/Scripts/Ulid/Ulid.cs
@@ -24,7 +24,7 @@ namespace System // wa-o, System Namespace!?
 #if NETCOREAPP3_1_OR_GREATER
     [System.Text.Json.Serialization.JsonConverter(typeof(Cysharp.Serialization.Json.UlidJsonConverter))]
 #endif
-    public partial struct Ulid : IEquatable<Ulid>, IComparable<Ulid>, IComparable
+    public readonly partial struct Ulid : IEquatable<Ulid>, IComparable<Ulid>, IComparable
 #if NET6_0_OR_GREATER
 , ISpanFormattable
 #endif