/**

* Copyright (c) Rich Hickey. All rights reserved.

* The use and distribution terms for this software are covered by the

* Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)

* which can be found in the file epl-v10.html at the root of this distribution.

* By using this software in any fashion, you are agreeing to be bound by

* the terms of this license.

* You must not remove this notice, or any other, from this software.

*/

package clojure.lang;

/**

* <p>A persistent, functional, sequence interface</p>

* <p>ISeqs are immutable values, i.e. neither first(), nor rest() changes

* or invalidates the ISeq</p>

*/

public interface ISeq extends IPersistentCollection {

Object first();

ISeq next();

ISeq more();

ISeq cons(Object o);

}