From 79d5d634ef889d54777f8f061a8cb59949136542 Mon Sep 17 00:00:00 2001
From: Simon Cropp <simon.cropp@gmail.com>
Date: Thu, 14 Nov 2024 21:17:54 +1100
Subject: [PATCH] use field keyword

---
 src/Argon/Serialization/JsonContract.cs       | 12 +++++-------
 src/Argon/Serialization/JsonObjectContract.cs |  4 ++--
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/src/Argon/Serialization/JsonContract.cs b/src/Argon/Serialization/JsonContract.cs
index 2075e5c4e..550913b11 100644
--- a/src/Argon/Serialization/JsonContract.cs
+++ b/src/Argon/Serialization/JsonContract.cs
@@ -19,8 +19,6 @@ public abstract class JsonContract
     internal bool IsSealed;
     internal bool IsInstantiable;
 
-    Type createdType;
-
     /// <summary>
     /// Gets the underlying type for the contract.
     /// </summary>
@@ -31,13 +29,13 @@ public abstract class JsonContract
     /// </summary>
     public Type CreatedType
     {
-        get => createdType;
+        get;
         set
         {
-            createdType = value;
+            field = value;
 
-            IsSealed = createdType.IsSealed;
-            IsInstantiable = !(createdType.IsInterface || createdType.IsAbstract);
+            IsSealed = field.IsSealed;
+            IsInstantiable = !(field.IsInterface || field.IsAbstract);
         }
     }
 
@@ -87,7 +85,7 @@ internal JsonContract(Type underlyingType)
             NonNullableUnderlyingType = underlyingType;
         }
 
-        createdType = CreatedType = NonNullableUnderlyingType;
+        CreatedType = CreatedType = NonNullableUnderlyingType;
 
         IsConvertible = NonNullableUnderlyingType.IsConvertible();
         IsEnum = NonNullableUnderlyingType.IsEnum;
diff --git a/src/Argon/Serialization/JsonObjectContract.cs b/src/Argon/Serialization/JsonObjectContract.cs
index b64e4bdf1..8eedfa275 100644
--- a/src/Argon/Serialization/JsonObjectContract.cs
+++ b/src/Argon/Serialization/JsonObjectContract.cs
@@ -37,7 +37,8 @@ public class JsonObjectContract : JsonContainerContract
     /// <summary>
     /// Gets a collection of <see cref="JsonProperty" /> instances that define the parameters used with <see cref="JsonObjectContract.OverrideCreator" />.
     /// </summary>
-    public JsonPropertyCollection CreatorParameters => creatorParameters ??= new(UnderlyingType);
+    [field: AllowNull, MaybeNull]
+    public JsonPropertyCollection CreatorParameters => field ??= new(UnderlyingType);
 
     /// <summary>
     /// Gets or sets the function used to create the object. When set this function will override <see cref="JsonContract.DefaultCreator" />.
@@ -48,7 +49,6 @@ public class JsonObjectContract : JsonContainerContract
     internal ObjectConstructor? ParameterizedCreator { get; set; }
 
     bool? hasRequiredOrDefaultValueProperties;
-    JsonPropertyCollection? creatorParameters;
 
     internal bool HasRequiredOrDefaultValueProperties
     {