| 1 | fn test_simple_opt_ptr() { |
| 2 | val := 123 |
| 3 | mut var := unsafe { ?&int(&val) } |
| 4 | assert var? == unsafe { &int(&val) } |
| 5 | } |
| 6 | |
| 7 | fn test_simple_writing() { |
| 8 | val := 123 |
| 9 | mut var := unsafe { ?&int(&val) } |
| 10 | unsafe { |
| 11 | *var? = 321 |
| 12 | } |
| 13 | assert val == 321 |
| 14 | } |
| 15 | |
| 16 | fn test_simple_deref() ? { |
| 17 | val := 123 |
| 18 | mut var := unsafe { ?&int(&val) } |
| 19 | assert *var? == val |
| 20 | mut r := var? |
| 21 | unsafe { |
| 22 | *r = 321 |
| 23 | } |
| 24 | assert val == 321 |
| 25 | } |
| 26 | |
| 27 | fn f_ref(val ?&int) ? { |
| 28 | t := 123 |
| 29 | assert *val? == t |
| 30 | } |
| 31 | |
| 32 | fn test_simple_writing2() { |
| 33 | val := 123 |
| 34 | mut var := unsafe { ?&int(&val) } |
| 35 | unsafe { |
| 36 | *var? = 321 |
| 37 | } |
| 38 | x := *var? |
| 39 | assert val == x |
| 40 | } |
| 41 | |
| 42 | fn test_simple_fn() { |
| 43 | var := 123 |
| 44 | f_ref(&var) |
| 45 | } |
| 46 | |
| 47 | fn test_unset_opt_ptr() { |
| 48 | val := 123 |
| 49 | mut var := unsafe { ?&int(&val) } |
| 50 | unsafe { |
| 51 | *var? = 1 |
| 52 | } |
| 53 | assert var != none |
| 54 | var = none |
| 55 | assert var == none |
| 56 | } |
| 57 | |