| !list || list | |
| ----- | |
| 0(1) element: null | |
| 1(2) Condition Logical expression | |
| 2(3) Condition Unary expression | |
| 3(4,5) READ list | |
| 4(7) Positive goto instruction, condition=2Unary expression | |
| 5(6) element: Logical expression | |
| 6(9) element: Logical expression MAYBE_RETURN | |
| 7(8) READ list | |
| 8(9) element: Logical expression MAYBE_RETURN | |
| 9() element: null | |