public static LongStream merge(final LongStream a, final LongStream b, final LongBiFunction<Nth> nextSelector) {
        return merge(a.iteratorEx(), b.iteratorEx(), nextSelector).onClose(newCloseHandler(N.asList(a, b)));
    }
public static LongStream merge ( final LongStream a , final LongStream b , final LongBiFunction < Nth > nextSelector ) { return merge ( a . iteratorEx ( ) , b . iteratorEx ( ) , nextSelector ) . onClose ( newCloseHandler ( N . asList ( a , b ) ) ) ; }
@param a
@param b
@param nextSelector first parameter is selected if <code>Nth.FIRST</code> is returned, otherwise the second parameter is selected.
@return