/// <summary>
/// Construct a enumerator with the parent object.
/// </summary>
/// <param name="source">The source Variations object.</param>
public EnumeratorWithRepetition(Variations <T> source)
{
_myParent = source;
_myCurrentList = null;
_myListIndexes = null;
}
/// <summary>
/// Construct a enumerator with the parent object.
/// </summary>
/// <param name="source">The source Variations object.</param>
public EnumeratorWithoutRepetition(Variations <T> source)
{
_myParent = source;
_myPermutationsEnumerator = (Permutations <int> .Enumerator)_myParent._myPermutations !.GetEnumerator();
}