]>
git.proxmox.com Git - ceph.git/blob - ceph/src/boost/libs/hana/example/count.cpp
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)
5 #include <boost/hana/assert.hpp>
6 #include <boost/hana/count.hpp>
7 #include <boost/hana/equal.hpp>
8 #include <boost/hana/integral_constant.hpp>
9 #include <boost/hana/tuple.hpp>
10 #include <boost/hana/type.hpp>
11 namespace hana
= boost::hana
;
15 constexpr auto ints
= hana::tuple_c
<int, 1, 2, 3, 2, 2, 4, 2>;
16 BOOST_HANA_CONSTANT_CHECK(hana::count(ints
, hana::int_c
<2>) == hana::size_c
<4>);
17 static_assert(hana::count(ints
, 2) == 4, "");
20 constexpr auto types
= hana::tuple_t
<int, char, long, short, char, double>;
21 BOOST_HANA_CONSTANT_CHECK(hana::count(types
, hana::type_c
<char>) == hana::size_c
<2>);