public T this[int index]
{
get
{
if (index < 0 || index >= m_items.Count)
{
ThrowIndexOutOfRangeException();
}
int offset;
int level = ColaStore.MapOffsetToLocation(m_items.Count, index, out offset);
Contract.Assert(level >= 0);
return(m_items.GetAt(level, offset));
}
}
public T RemoveAt(int arrayIndex)
{
if (arrayIndex < 0 || arrayIndex >= m_items.Count)
{
throw new ArgumentOutOfRangeException("arrayIndex", "Index is outside the array");
}
int offset;
int level = ColaStore.MapOffsetToLocation(m_items.Count, arrayIndex, out offset);
Contract.Assert(level >= 0 && offset >= 0 && offset < 1 << level);
++m_version;
return(m_items.RemoveAt(level, offset));
}
