| 1 | module main |
| 2 | |
| 3 | struct Node[T] { |
| 4 | mut: |
| 5 | value T |
| 6 | next ?&Node[T] |
| 7 | } |
| 8 | |
| 9 | fn print_t1(node ?&Node[int]) { |
| 10 | println(node) |
| 11 | } |
| 12 | |
| 13 | fn print_t2(mut node ?&Node[int]) { |
| 14 | n := node or { return } |
| 15 | println(n) |
| 16 | } |
| 17 | |
| 18 | fn test_main() { |
| 19 | mut n := Node[int]{ |
| 20 | value: 5 |
| 21 | } |
| 22 | print_t1(n) |
| 23 | print_t2(mut n.next) |
| 24 | } |
| 25 |