1// Copyright Louis Dionne 2013-2022
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/one.hpp>
9namespace hana = boost::hana;
10
11
12BOOST_HANA_CONSTANT_CHECK(hana::one<hana::integral_constant_tag<int>>() == hana::int_c<1>);
13static_assert(hana::one<long>() == 1l, "");
14
15int main() { }
16

source code of boost/libs/hana/example/one.cpp