/// <summary>Searches for an equivalent item, adding it if not present, and returning either the item found
/// or the item passed if there was none that matched.</summary>
/// <param name="item">The item to store.</param>
/// <returns>The item passed, or an equivalent item if one already exists.</returns>
public T Atomize(T item)
{
return(_store.FindOrStore(item));
}
