perf: remove ReadOnlyDictionary wrapper (#4531)

TimothyMakkison · web-flow · commit 818ea1e4f1d7 · 2026-01-21T23:30:13.000Z
diff --git a/TUnit.Core/Helpers/AttributeDictionaryHelper.cs b/TUnit.Core/Helpers/AttributeDictionaryHelper.cs
@@ -45,7 +45,7 @@ public static IReadOnlyDictionary<Type, IReadOnlyList<Attribute>> ToAttributeDic
             }
         }
 
-        return new ReadOnlyDictionary<Type, IReadOnlyList<Attribute>>(result);
+        return result;
     }
 
     /// <summary>

Original file line number	Diff line number	Diff line change
`@@ -45,7 +45,7 @@ public static IReadOnlyDictionary<Type, IReadOnlyList<Attribute>> ToAttributeDic`
`45`	`45`	`}`
`46`	`46`	`}`
`47`	`47`
`48`		`- return new ReadOnlyDictionary<Type, IReadOnlyList<Attribute>>(result);`
	`48`	`+ return result;`
`49`	`49`	`}`
`50`	`50`
`51`	`51`	`/// <summary>`