src/nng_wrap.cpp
@@ -213,7 +213,7 @@ const auto topic{tmp_msg.c_str()}; string msg{}; { lock_guard<mutex> l{(*sub)()}; lock_guard<mutex> l{sub->operator()()}; for(auto && i : sub->topics_){ if (!!!i.compare(topic)){ msg = move(tmp_msg.substr(i.size()+1));