Method set

chapter16/src/main/java/com/seaofnodes/simple/Ary.java:115–120

Set existing element @param i element to set @param e value to set @return old value @exception AIOOBE if !(0 <= i < _len)

( int i, E e )

     *  @exception AIOOBE if !(0 <= i < _len)
     */
    public E set( int i, E e ) {
        range_check(i);
        E old = _es[i];
        _es[i] = e;
        return old;
    }

    public Ary<E> setLen( int len ) {
        if( len > _len )