#include <order/interpreter.h>

ORDER_PP( 8tuple_append(8tuple(1, 2, 3), 8tuple(4, 5, 6), 8pair(7, 8)) )
// -> (1,2,3,4,5,6,7,8)

ORDER_PP( 8seq_append(8seq(1, 2, 3), 8seq(4, 5, 6), 8seq(7, 8)) )
// -> (1)(2)(3)(4)(5)(6)(7)(8)