boost_ref.cpp

/*
@copyright Louis Dionne 2015
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/detail/as_container_element.hpp>

#include <boost/ref.hpp>

#include <type_traits>
namespace hana = boost::hana;
using hana::detail::as_container_element_t;


struct T { };

static_assert(std::is_same<T&, as_container_element_t<boost::reference_wrapper<T>>>{}, "");
static_assert(std::is_same<T&, as_container_element_t<boost::reference_wrapper<T> const>>{}, "");
static_assert(std::is_same<T&, as_container_element_t<boost::reference_wrapper<T>&>>{}, "");
static_assert(std::is_same<T&, as_container_element_t<boost::reference_wrapper<T> const&>>{}, "");
static_assert(std::is_same<T&, as_container_element_t<boost::reference_wrapper<T>&&>>{}, "");
static_assert(std::is_same<T&, as_container_element_t<boost::reference_wrapper<T> const&&>>{}, "");

static_assert(std::is_same<T const&, as_container_element_t<boost::reference_wrapper<T const>>>{}, "");
static_assert(std::is_same<T const&, as_container_element_t<boost::reference_wrapper<T const> const>>{}, "");
static_assert(std::is_same<T const&, as_container_element_t<boost::reference_wrapper<T const>&>>{}, "");
static_assert(std::is_same<T const&, as_container_element_t<boost::reference_wrapper<T const> const&>>{}, "");
static_assert(std::is_same<T const&, as_container_element_t<boost::reference_wrapper<T const>&&>>{}, "");
static_assert(std::is_same<T const&, as_container_element_t<boost::reference_wrapper<T const> const&&>>{}, "");

int main() { }