public void Matching_Where_on_Success_returns_Success()
{
var success = new Success<int>(42);
var where = success.Where(x => x > 10);
Assert.IsTrue(where.IsSuccess);
Assert.AreEqual(42, where.Value);
}
public void Non_matching_Where_on_Success_return_Failure()
{
var success = new Success<int>(42);
var where = success.Where(x => x < 10);
Assert.IsTrue(where.IsFailure);
Assert.IsInstanceOfType(typeof(NoSuchElementException), where.Exception);
}