Sprout/sprout/array/make_array.hpp
2016-02-25 18:48:28 +09:00

78 lines
3 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_ARRAY_MAKE_ARRAY_HPP
#define SPROUT_ARRAY_MAKE_ARRAY_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/index_tuple/metafunction.hpp>
#include <sprout/array/array.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/type_traits/common_decay.hpp>
namespace sprout {
namespace detail {
enum make_array_t {
make_array_in_common_elements
};
} // namespace detail
//
// make_array
//
template<typename T, typename... Types>
inline SPROUT_CONSTEXPR sprout::array<typename std::remove_cv<T>::type, sizeof...(Types)>
make_array(Types&&... args) {
return sprout::array<typename std::remove_cv<T>::type, sizeof...(Types)>{{T(SPROUT_FORWARD(Types, args))...}};
}
template<sprout::detail::make_array_t = sprout::detail::make_array_in_common_elements, typename... Types>
inline SPROUT_CONSTEXPR sprout::array<typename sprout::common_decay<Types...>::type, sizeof...(Types)>
make_array(Types&&... args) {
typedef typename sprout::common_decay<Types...>::type value_type;
typedef sprout::array<value_type, sizeof...(Types)> type;
return type{{value_type(SPROUT_FORWARD(Types, args))...}};
}
//
// make_array_without_narrowing
//
template<typename T, typename... Types>
inline SPROUT_CONSTEXPR sprout::array<typename std::remove_cv<T>::type, sizeof...(Types)>
make_array_without_narrowing(Types&&... args) {
return sprout::array<typename std::remove_cv<T>::type, sizeof...(Types)>{{SPROUT_FORWARD(Types, args)...}};
}
template<sprout::detail::make_array_t = sprout::detail::make_array_in_common_elements, typename... Types>
inline SPROUT_CONSTEXPR sprout::array<typename sprout::common_decay<Types...>::type, sizeof...(Types)>
make_array_without_narrowing(Types&&... args) {
typedef typename sprout::common_decay<Types...>::type value_type;
typedef sprout::array<value_type, sizeof...(Types)> type;
return type{{SPROUT_FORWARD(Types, args)...}};
}
//
// make_common_array
//
template<typename... Types>
inline SPROUT_CONSTEXPR sprout::array<typename sprout::common_decay<Types...>::type, sizeof...(Types)>
make_common_array(Types&&... args) {
return sprout::make_array(SPROUT_FORWARD(Types, args)...);
}
//
// convert_array
// [[deprecated]]
//
template<typename T, typename Converter, typename... Types>
SPROUT_DEPRECATED
inline SPROUT_CONSTEXPR sprout::array<T, sizeof...(Types)>
convert_array(Converter&& conv, Types&&... args) {
return sprout::make_array<T>(SPROUT_FORWARD(Converter, conv)(SPROUT_FORWARD(Types, args))...);
}
} // namespace sprout
#endif // #ifndef SPROUT_ARRAY_MAKE_ARRAY_HPP