| # | |
| # 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 ; |