Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This version of Boost is under active development. You are currently in the master branch. The current version is 1.91.0.
The subscription is accepted with maximum QoS sent at 0.
Defined in header <boost/mqtt5/reason_codes.hpp>
constexpr
boost::mqtt5::reason_code granted_qos_0 { 0x00, category::suback };
Convenience header <boost/mqtt5.hpp>