import java.io.PrintWriter;

/**
 * The abstract "instruction" in the amazingly abstract
 * assembly language (AAAL).
 *
 * @author Samuel A. Rebelsky
 * @version 1.0 of April 2001
 */
public interface Instruction {
  /**
   * Print the instruction (and any subinstructions) to
   * the given destination.
   */
  public void print(PrintWriter out);
} // interface Instruction