| 507 | } |
| 508 | |
| 509 | bool is_string() { |
| 510 | switch (mode) { |
| 511 | case Mode::Form: { |
| 512 | return false; |
| 513 | } |
| 514 | case Mode::Slice: { |
| 515 | return true; |
| 516 | } |
| 517 | case Mode::Json: { |
| 518 | auto e = obj; |
| 519 | return e && e->is_string(); |
| 520 | } |
| 521 | default: |
| 522 | return false; |
| 523 | } |
| 524 | } |
| 525 | |
| 526 | td::Result<std::string> get_string() { |
| 527 | switch (mode) { |