public void OptionAsEnumerableWhenSome()
{
Option <int> optionValue = 35;
IEnumerable <int> result = OptionModule.AsEnumerable(optionValue);
Assert.AreEqual(1, result.Count());
}
public void OptionAsEnumerableWhenNone()
{
Option <int> optionValue = Option <int> .None();
IEnumerable <int> result = OptionModule.AsEnumerable(optionValue);
Assert.AreEqual(0, result.Count());
}
/// <summary>
/// Convert the <see cref="Option{T}"/> to an <see cref="IEnumerable{T}"/> of length 0 or 1.
/// </summary>
/// <typeparam name="T">The type of the option value.</typeparam>
/// <param name="option">the input option.</param>
/// <returns>Returns an <see cref="IEnumerable{T}"/> with a single element when <see cref="Option{T}.IsSome"/>. Otherwise returns an <see cref="CollectionModule.Empty{T}"/>.</returns>
public static IEnumerable <T> AsEnumerable <T>(this Option <T> option)
=> OptionModule.AsEnumerable(option);