| 70 | elements.back().push_back(builder); |
| 71 | } |
| 72 | std::string to_string() const { |
| 73 | mgb_assert(elements.size() == 1 && elements[0].size() >= 1); |
| 74 | std::string builder; |
| 75 | for (auto&& element : elements[0]) { |
| 76 | builder.append(element); |
| 77 | } |
| 78 | return builder; |
| 79 | } |
| 80 | }; |
| 81 | |
| 82 | struct MemoryChunk { |