Optimized reflection code

Author: linkdotnet

LinkDotNet.EnumValueObject.UnitTests/LinkDotNet.EnumValueObject.UnitTests.csproj

@@ -8,8 +8,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.1.2" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.1.2" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.2.1" />
     <PackageReference Include="Shouldly" Version="4.0.3" />
   </ItemGroup>
 

LinkDotNet.EnumValueObject/EnumValueObject.cs

@@ -105,11 +105,11 @@ private static TEnumeration[] GetEnumerations()
         {
             var enumerationType = typeof(TEnumeration);
 
-            return enumerationType.GetFields(BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy)
-                                  .Where(info => enumerationType.IsAssignableFrom(info.FieldType))
-                                  .Select(info => info.GetValue(null))
-                                  .Cast<TEnumeration>()
-                                  .ToArray();
+            return enumerationType
+                .GetFields(BindingFlags.Public | BindingFlags.Static | BindingFlags.DeclaredOnly)
+                .Where(info => info.FieldType == typeof(TEnumeration))
+                .Select(info => (TEnumeration)info.GetValue(null))
+                .ToArray();
         }
     }
 }