| 1 | const print = @import("std").debug.print; |
| 2 | |
| 3 | pub fn main() void { |
| 4 | const result = getNumberOrFail(); |
| 5 | |
| 6 | if (result) |number| { |
| 7 | print("got number: {}\n", .{number}); |
| 8 | } else |err| { |
| 9 | print("got error: {s}\n", .{@errorName(err)}); |
| 10 | } |
| 11 | } |
| 12 | |
| 13 | fn getNumberOrFail() !i32 { |
| 14 | return error.UnableToReturnNumber; |
| 15 | } |
| 16 | |
| 17 | // exe=succeed |