TimeStamped struct to augment any type with a timestamp.

TimeStamped.cs

struct TimeStamped<T>
{
  private readonly T _value;
  private readonly DateTime _timeStamp;

  public TimeStamped(T value)
  {
    _value = value;
    _timeStamp = DateTime.Now;
  }

  public T Value { get { return _value; } }

  public DateTime TimeStamp { get { return _timeStamp; } }
}