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b32b8144 | 1 | // Copyright Louis Dionne 2013-2017 |
7c673cae FG |
2 | // Distributed under the Boost Software License, Version 1.0. |
3 | // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) | |
4 | ||
5 | #include <boost/hana/for_each.hpp> | |
6 | #include <boost/hana/tuple.hpp> | |
7 | #include <boost/hana/type.hpp> | |
8 | ||
9 | #include <boost/core/demangle.hpp> | |
10 | ||
11 | #include <cstdlib> | |
12 | #include <iostream> | |
13 | #include <string> | |
14 | namespace hana = boost::hana; | |
15 | ||
16 | ||
17 | // Using hana::type<T> as a parameter type wouldn't work, since it may be | |
18 | // a dependent type, in which case template argument deduction will fail. | |
19 | // Using hana::basic_type<T> is fine, since this one is guaranteed to be | |
20 | // a non dependent base of hana::type<T>. | |
21 | template <typename T> | |
22 | std::string const& name_of(hana::basic_type<T>) { | |
23 | static std::string name = boost::core::demangle(typeid(T).name()); | |
24 | return name; | |
25 | } | |
26 | ||
27 | int main() { | |
28 | hana::for_each(hana::tuple_t<int, char, void, std::string>, [](auto type) { | |
29 | std::cout << name_of(type) << std::endl; | |
30 | }); | |
31 | } |