/// <inheritdoc cref="Do(AListOperation, T)"/>
public int Do(AListOperation mode, T item)
{
AListSingleOperation <T, T> op = new AListSingleOperation <T, T>();
op.Mode = mode;
op.CompareKeys = _compareItems;
op.CompareToKey = _compareItems;
op.Key = op.Item = item;
return(DoSingleOperation(ref op));
}
/// <summary>Performs the same operation for each item in a series.
/// Equivalent to calling <see cref="Do(AListOperation,T)"/> on each item.</summary>
/// <param name="mode">Indicates the operation to perform.</param>
/// <param name="e">A list of items to act upon.</param>
/// <returns>Returns the change in Count: positive if items were added,
/// negative if items were removed, and 0 if all items were unchanged or
/// replaced.</returns>
public int DoRange(AListOperation mode, IEnumerable <T> e)
{
AListSingleOperation <T, T> op = new AListSingleOperation <T, T>();
op.Mode = mode;
op.CompareKeys = _compareItems;
op.CompareToKey = _compareItems;
int delta = 0;
foreach (T item in e)
{
op.Key = op.Item = item;
// Some fields must be cleared before each operation
op.BaseIndex = 0;
op.Found = false;
op.AggregateChanged = 0;
delta += DoSingleOperation(ref op);
Debug.Assert(op.Mode == mode);
}
return(delta);
}
