| 1 | fn test_reference_of_option_preserves_payload() { |
| 2 | opt := ?int(-1) |
| 3 | ref_opt := &opt |
| 4 | |
| 5 | assert *ref_opt? == opt? |
| 6 | } |
| 7 | |
| 8 | fn test_reference_of_option_preserves_none() { |
| 9 | opt := ?int(none) |
| 10 | ref_opt := &opt |
| 11 | |
| 12 | assert ref_opt == none |
| 13 | } |
| 14 | |
| 15 | fn test_reference_of_option_updates_original_payload() { |
| 16 | mut opt := ?int(1) |
| 17 | ref_opt := &opt |
| 18 | |
| 19 | unsafe { |
| 20 | *ref_opt? = 2 |
| 21 | } |
| 22 | assert opt? == 2 |
| 23 | } |
| 24 |