mirror of https://gitee.com/bigwinds/arangodb
29 lines
707 B
C++
29 lines
707 B
C++
// Copyright Louis Dionne 2013-2016
|
|
// 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/fold_left.hpp>
|
|
#include <boost/hana/optional.hpp>
|
|
|
|
#include <laws/base.hpp>
|
|
namespace hana = boost::hana;
|
|
|
|
|
|
int main() {
|
|
hana::test::ct_eq<2> x{};
|
|
hana::test::ct_eq<3> s{};
|
|
hana::test::_injection<0> f{};
|
|
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::fold_left(hana::just(x), s, f),
|
|
f(s, x)
|
|
));
|
|
|
|
BOOST_HANA_CONSTANT_CHECK(hana::equal(
|
|
hana::fold_left(hana::nothing, s, f),
|
|
s
|
|
));
|
|
}
|