| 1 | struct Struct { |
| 2 | error ?string |
| 3 | } |
| 4 | |
| 5 | fn result_function() !Struct { |
| 6 | return error('This is an error') |
| 7 | } |
| 8 | |
| 9 | fn test_main() { |
| 10 | some_struct := result_function() or { |
| 11 | Struct{ |
| 12 | error: err |
| 13 | } |
| 14 | } |
| 15 | // some_struct.error? |
| 16 | assert some_struct.error or { '${err}' } == 'This is an error' |
| 17 | } |
| 18 |