/// <summary>Find an element </summary>
/// <param name="value"></param>
/// <returns>The zero-based index of the first occurrence of <paramref name="value"/> within the entire list, if found; otherwise, –1.</returns>
public int IndexOf(T value)
{
T _;
int offset, level = m_items.Find(value, out offset, out _);
if (level >= 0)
{
return(ColaStore.MapLocationToOffset(m_items.Count, level, offset));
}
return(NOT_FOUND);
}
