public T this[int index]
{
get
{
Deque <T> .CheckExistingIndexArgument(Count, index);
return(DoGetItem(index));
}
set
{
Deque <T> .CheckExistingIndexArgument(Count, index);
DoSetItem(index, value);
}
}
public void RemoveAt(int index)
{
Deque <T> .CheckExistingIndexArgument(Count, index);
DoRemoveAt(index);
}