hana/example/ext/std/integer_sequence/searchable.cpp
2017-01-07 14:14:18 -08:00

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734 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/assert.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/ext/std/integer_sequence.hpp>
#include <boost/hana/ext/std/integral_constant.hpp>
#include <boost/hana/find.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/optional.hpp>
#include <type_traits>
#include <utility>
namespace hana = boost::hana;
constexpr std::integer_sequence<int, 1, 2, 3, 4> xs{};
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::find(xs, hana::int_c<3>),
hana::just(std::integral_constant<int, 3>{})
));
int main() { }