package lrs;

public class ToStringHelp implements IAlgo
{
   public static final ToStringHelp Singleton = new ToStringHelp ();

   private ToStringHelp ()
   {
   }
   
	/**
	 * @param host 
	 * @param input not used
	 * @return 
	 */
	public Object forEmpty(LRStruct host, Object input)
	{
      return ")";
	}

	/**
	 * @param host 
	 * @param input not used
	 * @return 
	 */
	public Object forNonEmpty (LRStruct host, Object input)
	{
		return " " + host.getFirst() + host.getRest ().execute (this, null);
	}
}