Avoid structs for AutoFixture

Author: inputfalken

tests/DynamoDBGenerator.SourceGenerator.Benchmarks/Benchmarks/Container.cs

@@ -1,8 +1,3 @@
-using DynamoDBGenerator.Attributes;
-
 namespace DynamoDBGenerator.SourceGenerator.Benchmarks.Benchmarks;
 
-public readonly struct Container<T>
-{
-    public required T Value { get; init; }
-}
+public sealed record Container<T>(T Value);