// Copyright Louis Dionne 2013-2017 // Distributed under the Boost Software License, Version 1.0. // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) #include <boost/hana/for_each.hpp> #include <boost/hana/tuple.hpp> #include <boost/hana/type.hpp> #include <boost/core/demangle.hpp> #include <cstdlib> #include <iostream> #include <string> namespace hana = boost::hana; // Using hana::type<T> as a parameter type wouldn't work, since it may be // a dependent type, in which case template argument deduction will fail. // Using hana::basic_type<T> is fine, since this one is guaranteed to be // a non dependent base of hana::type<T>. template <typename T> std::string const& name_of(hana::basic_type<T>) { static std::string name = boost::core::demangle(typeid(T).name()); return name; } int main() { hana::for_each(hana::tuple_t<int, char, void, std::string>, [](auto type) { std::cout << name_of(type) << std::endl; }); }