public static IDeque Subdeque(IDeque a, int start, int length)
{
IDeque newDeque = (IDeque)Activator.CreateInstance(a.GetType());
for (int i = start; i < start + length; ++i)
{
newDeque.Add(a[i]);
}
return(newDeque);
}
public static IDeque ConcatenateIDeque(IDeque a, IDeque b)
{
// create new deque as a copy of a
IDeque newDeque = (IDeque)Activator.CreateInstance(a.GetType(), a);
// then append b
foreach (object entry in b)
{
newDeque.Enqueue(entry);
}
return(newDeque);
}
public static IDeque Copy(IDeque deque, IGraph graph, IDictionary <IBaseObject, IBaseObject> oldToNewObjects)
{
IDeque copy = (IDeque)Activator.CreateInstance(deque.GetType());
foreach (object element in deque)
{
if (element is IObject)
{
IObject elem = (IObject)element;
copy.Add(elem.Copy(graph, oldToNewObjects));
}
else if (element is ITransientObject)
{
ITransientObject elem = (ITransientObject)element;
copy.Add(elem.Copy(graph, oldToNewObjects));
}
else
{
copy.Add(element);
}
}
return(copy);
}