hana/example/core/is_a.cpp
2017-01-07 14:14:18 -08:00

17 lines
598 B
C++

// 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/core/is_a.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/not.hpp>
#include <boost/hana/tuple.hpp>
namespace hana = boost::hana;
static_assert(hana::is_a<hana::tuple_tag, decltype(hana::make_tuple(1, '2', 3.3))>, "");
static_assert(!hana::is_a<hana::tuple_tag, void>, "");
static_assert(hana::is_an<hana::integral_constant_tag<int>>(hana::int_c<10>), "");
int main() { }