# # SWAP2 test # FORWARD success; FORWARD failure; : try_0 0 = IF success ELSE failure ENDIF ; : try_3 3 = IF try_0 ELSE failure ENDIF ; : try_4 4 = IF try_3 ELSE failure ENDIF ; : try_1 1 = IF try_4 ELSE failure ENDIF ; : MAIN 0 1 2 3 4 SWAP2 2 = IF try_1 ELSE failure ENDIF ;