package lrs;

/**
 * Represents an abstract algorithm on a LRStruct.  Visitor pattern.
 * @author Dung X. Nguyen  Copyright 2000 - All rights reserved.
 * @since 02/15/00
 * @dependency lrs.LRStruct uses
 */
public interface IAlgo
{
    public abstract Object emptyCase(LRStruct host, Object input);

    public abstract Object nonEmptyCase(LRStruct host, Object input);
}