Maybe

	public struct Maybe<T> where T : class
	{
	    public T Value { get; }

	    public bool HasValue => Value != null;

	    public bool HasNoValue => !HasValue;

	    private Maybe(T value)
		{
			Value = value;
		}

		public static implicit operator Maybe<T>(T value)
		{
			return new Maybe<T>(value);
		}
	}