Update CSharp 13.0

Author: thohng

Directory.Build.props

@@ -19,7 +19,7 @@
     <!-- Embed source files that are not tracked by the source control manager in the PDB -->
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
 
-    <LangVersion>9.0</LangVersion>
+    <LangVersion>13.0</LangVersion>
     <DisableImplicitNamespaceImports>true</DisableImplicitNamespaceImports>
     <GenerateDocumentationFile>false</GenerateDocumentationFile>
   </PropertyGroup>

Testing.Dynamic.Json/DJsonArray.cs

@@ -7,9 +7,9 @@ namespace Testing.Dynamic
     [JsonConverter(typeof(DJsonArrayJsonConverter))]
     public class DJsonArray : DJson
     {
-        private readonly List<object> _list = new();
+        private readonly List<object> _list = [];
 
-        internal DJsonArray(IEnumerable<object> list = null) => _list = list?.ToList() ?? new();
+        internal DJsonArray(IEnumerable<object> list = null) => _list = list?.ToList() ?? [];
 
         public override int CountMembers => _list.Count;
 

Testing.Dynamic.Json/DJsonObject.cs

@@ -8,7 +8,7 @@ namespace Testing.Dynamic
     [JsonConverter(typeof(DJsonObjectJsonConverter))]
     public class DJsonObject : DJson
     {
-        private readonly Dictionary<string, object> _dict = new();
+        private readonly Dictionary<string, object> _dict = [];
         private readonly Dictionary<string, object> _dict2 = new(StringComparer.OrdinalIgnoreCase);
 
         internal DJsonObject() { }
@@ -17,18 +17,9 @@ internal DJsonObject() { }
 
         public override bool TryGetMember(GetMemberBinder binder, out object result)
         {
-            if (binder.IgnoreCase && _dict2.TryGetValue(binder.Name, out var value1))
-            {
-                result = value1;
-            }
-            else if (!binder.IgnoreCase && _dict.TryGetValue(binder.Name, out var value2))
-            {
-                result = value2;
-            }
-            else
-            {
-                result = null;
-            }
+            result = binder.IgnoreCase && _dict2.TryGetValue(binder.Name, out var value1)
+                ? value1
+                : !binder.IgnoreCase && _dict.TryGetValue(binder.Name, out var value2) ? value2 : null;
             return true;
         }
 

Testing.Dynamic.Json/Helper.cs

@@ -29,6 +29,6 @@ public static DJsonObject ConvertObject(JsonElement jsonElement)
         }
 
         public static DJsonArray ConvertArray(JsonElement jsonElement)
-            => new DJsonArray(jsonElement.EnumerateArray().Select(e => Convert(e)));
+            => new(jsonElement.EnumerateArray().Select(e => Convert(e)));
     }
 }