Listing 12.5: Declaring a Nullable Type That Contains a Value Property of Type object

Listing 12.5.cs

struct Nullable
{
    /// <summary>
    /// Provides the value when HasValue returns true
    /// </summary>
    public object Value{ get; private set; }

    /// <summary>
    /// Indicates whether there is a value or whether
    /// the value is "null"
    /// </summary>
    public bool HasValue{ get; private set; }

    ...
}