1 // Copyright Louis Dionne 2013-2017
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/assert.hpp>
6 #include <boost/hana/equal.hpp>
7 #include <boost/hana/integral_constant.hpp>
8 #include <boost/hana/type.hpp>
9 namespace hana = boost::hana;
10 
11 
12 struct T { };
13 
main()14 int main() {
15     BOOST_HANA_CONSTANT_CHECK(hana::equal(
16         hana::alignof_(T{}),
17         hana::size_c<alignof(T)>
18     ));
19 
20     BOOST_HANA_CONSTANT_CHECK(hana::equal(
21         hana::alignof_(hana::type_c<T>),
22         hana::size_c<alignof(T)>
23     ));
24 
25     // make sure we don't read from non-constexpr variables
26     {
27         auto t = hana::type_c<T>;
28         auto x = 1;
29         constexpr auto r1 = hana::alignof_(t); (void)r1;
30         constexpr auto r2 = hana::alignof_(x); (void)r2;
31     }
32 }
33