...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::compute::is_device_iterator<discard_iterator> — internal_ (is_device_iterator specialization for discard_iterator)
// In header: <boost/compute/iterator/discard_iterator.hpp> struct is_device_iterator<discard_iterator> : public boost::true_type { };