NullChecks - Sample 3

NotNull{T}.cs

public class NotNull<T>
{
    public NotNull(T value)
    {
        this.Value = value;
    }

    public T Value { get; set; }

    public static implicit operator NotNull<T>(T value)
    {
        if (value == null)
            throw new ArgumentNullException();
        return new NotNull<T>(value);
    }
}