[ceph.git] / ceph / src / boost / libs / hana / example / duplicate.cpp

// 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/duplicate.hpp>
#include <boost/hana/extract.hpp>
#include <boost/hana/lazy.hpp>
namespace hana = boost::hana;


int main() {
    constexpr auto very_lazy = hana::duplicate(hana::make_lazy(3));
    static_assert(hana::extract(hana::extract(very_lazy)) == 3, "");
}
Commit	Line	Data
b32b8144	1	// Copyright Louis Dionne 2013-2017
7c673cae FG	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/duplicate.hpp>
	6	#include <boost/hana/extract.hpp>
	7	#include <boost/hana/lazy.hpp>
	8	namespace hana = boost::hana;
	9
	10
	11	int main() {
	12	constexpr auto very_lazy = hana::duplicate(hana::make_lazy(3));
	13	static_assert(hana::extract(hana::extract(very_lazy)) == 3, "");
	14	}