Sprout/sprout/container/sub_container_traits.hpp
2019-01-07 17:47:17 +09:00

40 lines
1.2 KiB
C++

/*=============================================================================
Copyright (c) 2011-2019 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_CONTAINER_SUB_CONTAINER_TRAITS_HPP
#define SPROUT_CONTAINER_SUB_CONTAINER_TRAITS_HPP
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/container/traits_fwd.hpp>
namespace sprout {
//
// sub_container_traits
//
template<typename Container>
struct sub_container_traits {
public:
template<typename Cont>
struct internal {
public:
typedef Cont&& type;
};
public:
template<typename Cont>
static SPROUT_CONSTEXPR typename internal<Cont>::type
get_internal(Cont&& cont) {
return SPROUT_FORWARD(Cont, cont);
}
};
template<typename Container>
struct sub_container_traits<Container const>
: public sprout::sub_container_traits<Container>
{};
} // namespace sprout
#endif // #ifndef SPROUT_CONTAINER_SUB_CONTAINER_TRAITS_HPP