| int x = 0 | |
| [1, 2, 3].each { | |
| x++ | |
| } | |
| print x | |
| ----- | |
| 0(1) element: null | |
| 1(2) WRITE x | |
| 2(3) READ x | |
| 3(4) element: Closable block | |
| 4(5) READ print | |
| 5(6) READ x | |
| 6(7) ARGUMENT element: Reference expression | |
| 7(8) element: Call expression MAYBE_RETURN | |
| 8() element: null |