public void Iteration()
{
// ReSharper disable once SuggestVarOrType_SimpleTypes
using BinaryList <int> .Enumerator e = Sample.GetEnumerator();
Assert.That(e.MoveNext(), Is.True);
Assert.That(e.Current, Is.EqualTo(42));
Assert.That(e.MoveNext(), Is.False);
Assert.That(e.MoveNext(), Is.False);
}