Sprout/sprout/optional/container.hpp
2016-04-03 16:08:09 +09:00

56 lines
1.7 KiB
C++

/*=============================================================================
Copyright (c) 2011-2016 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_OPTIONAL_CONTAINER_HPP
#define SPROUT_OPTIONAL_CONTAINER_HPP
#include <type_traits>
#include <sprout/utility/forward.hpp>
#include <sprout/optional/optional.hpp>
#include <sprout/container/traits.hpp>
namespace sprout {
//
// container_construct_traits
//
template<typename T>
struct container_construct_traits<sprout::optional<T> > {
public:
typedef sprout::optional<T> copied_type;
public:
template<typename Cont>
static SPROUT_CONSTEXPR copied_type
deep_copy(Cont&& cont) {
return SPROUT_FORWARD(Cont, cont);
}
template<typename... Args>
static SPROUT_CONSTEXPR copied_type
make(Args&&... args) {
return copied_type(SPROUT_FORWARD(Args, args)...);
}
template<typename Cont, typename... Args>
static SPROUT_CONSTEXPR copied_type
remake(Cont&&, typename sprout::container_traits<sprout::optional<T> >::difference_type, Args&&... args) {
return copied_type(SPROUT_FORWARD(Args, args)...);
}
};
//
// container_transform_traits
//
template<typename T>
struct container_transform_traits<sprout::optional<T> > {
public:
template<typename Type>
struct rebind_type {
public:
typedef sprout::optional<Type> type;
};
};
} // namespace sprout
#endif // #ifndef SPROUT_OPTIONAL_CONTAINER_HPP