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.
boost::log::missing_value — Exception class that is used to indicate errors of missing values.
// In header: <boost/log/exceptions.hpp> class missing_value : public runtime_error { public: // public member functions missing_value(); explicit missing_value(std::string const &); ~missing_value(); };