...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::mpi::request::handler
// In header: <boost/mpi/request.hpp> class handler { public: // construct/copy/destruct ~handler(); // public member functions virtual status wait() = 0; virtual optional< status > test() = 0; virtual void cancel() = 0; virtual bool active() const = 0; virtual optional< MPI_Request & > trivial() = 0; };