| 638 | |
| 639 | #if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 1, 0) |
| 640 | const char *gets(const char *property_) |
| 641 | { |
| 642 | const char *value = zmq_msg_gets(&msg, property_); |
| 643 | if (value == ZMQ_NULLPTR) |
| 644 | throw error_t(); |
| 645 | return value; |
| 646 | } |
| 647 | #endif |
| 648 | |
| 649 | #if defined(ZMQ_BUILD_DRAFT_API) && ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 0) |