hana/test/experimental/view/single/length.cpp
2017-01-07 14:14:18 -08:00

24 lines
656 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/experimental/view.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/length.hpp>
namespace hana = boost::hana;
template <int> struct undefined { };
int main() {
{
auto single = hana::experimental::single_view(undefined<0>{});
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::length(single),
hana::size_c<1>
));
}
}