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 is an older version of Boost and was released in 2023. The current version is 1.89.0.
BOOST_LOG_TRIVIAL
// In header: <boost/log/trivial.hpp>
BOOST_LOG_TRIVIAL(lvl)The macro is used to initiate logging. The lvl argument of the macro specifies one of the following severity levels: trace, debug, info, warning, error or fatal (see severity_level enum). Following the macro, there may be a streaming expression that composes the record message string. For example:
BOOST_LOG_TRIVIAL(info) << "Hello, world!";