...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Inform
the io_context
that some work is no longer outstanding.
void on_work_finished() const;
This function is used to inform the io_context
that some work has
finished. Once the count of unfinished work reaches zero, the io_context
is stopped and the
run()
and run_one()
functions may exit.