| 1 | fn is_none(a ?string) bool { |
| 2 | return a == none |
| 3 | } |
| 4 | |
| 5 | fn is_map_none(a ?map[string]int) bool { |
| 6 | return a == none |
| 7 | } |
| 8 | |
| 9 | fn test_opt_call_arg() { |
| 10 | assert is_none(?string(none)) |
| 11 | var := ?string('foo') |
| 12 | assert is_none(var) == false |
| 13 | |
| 14 | mut var2 := ?map[string]int{} |
| 15 | assert var2 == none |
| 16 | var2 = { |
| 17 | 'a': 1 |
| 18 | } |
| 19 | assert is_map_none(var2) == false |
| 20 | } |
| 21 |