package antlr.collections;
/* ANTLR Translator Generator
* Project led by Terence Parr at http://www.cs.usfca.edu
* Software rights: http://www.antlr.org/license.html
*
* $Id: //depot/code/org.antlr/release/antlr-2.7.7/antlr/collections/Enumerator.java#2 $
*/
public interface
Enumerator {
/**Return the element under the cursor; return null if !valid() or
* if called before first next() call.
*/
public
Object cursor();
/**Return the next element in the enumeration; first call to next()
* returns the first element.
*/
public
Object next();
/**Any more elements in the enumeration? */
public boolean
valid();
}