F# With In C# (Kinda)

   static class BrotalExtensions {
        public static T Copy<T>(this T original) where T : new() {
            T duplicate = new T();

            original.GetType()
                    .GetProperties()
                    .ToList()
                    .ForEach(p => p.SetValue(
                        duplicate,
                        p.GetValue(original)));

            return duplicate;
        }

        public static T With<T>(this T original, params Action<T>[] actions) where T : new() {
            T duplicate = original.Copy();

            actions.ToList().ForEach(a => a(duplicate));

            return duplicate;
        }
    }