| 317 | |
| 318 | template<typename T> |
| 319 | inline std::string write_tuple(const std::vector <T> &v) { |
| 320 | if (v.size() == 0) |
| 321 | return "()"; |
| 322 | |
| 323 | std::ostringstream ss; |
| 324 | |
| 325 | if (v.size() == 1) { |
| 326 | ss << "(" << v.front() << ",)"; |
| 327 | } else { |
| 328 | const std::string delimiter = ", "; |
| 329 | // v.size() > 1 |
| 330 | ss << "("; |
| 331 | std::copy(v.begin(), v.end() - 1, std::ostream_iterator<T>(ss, delimiter.c_str())); |
| 332 | ss << v.back(); |
| 333 | ss << ")"; |
| 334 | } |
| 335 | |
| 336 | return ss.str(); |
| 337 | } |
| 338 | |
| 339 | inline std::string write_boolean(bool b) { |
| 340 | if (b) |