...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::unit_test::data::monomorphic::zip::iterator
// In header: <boost/test/data/monomorphic/zip.hpp> struct iterator { // types typedef decltype(sample_merge(*std::declval< dataset1_iter >(), *std::declval< dataset2_iter >())) iterator_sample; // construct/copy/destruct explicit iterator(dataset1_iter, dataset2_iter); // public member functions auto operator*() const; void operator++(); };