Sprout/sprout/array/make_array.hpp
2014-01-08 16:48:12 +09:00

62 lines
2.2 KiB
C++

/*=============================================================================
Copyright (c) 2011-2014 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 <cstddef>
#include <type_traits>
#include <sprout/config.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 {
//
// 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))...}};
}
// !!! OLD:
// template<typename... Types>
// inline SPROUT_CONSTEXPR sprout::array<typename sprout::common_decay<Types...>::type, sizeof...(Types)>
// make_array(Types&&... args) {
// typedef sprout::array<
// typename sprout::common_decay<Types...>::type,
// sizeof...(Types)
// > type;
// return type{{typename sprout::common_decay<Types...>::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) {
typedef sprout::array<
typename sprout::common_decay<Types...>::type,
sizeof...(Types)
> type;
return type{{typename sprout::common_decay<Types...>::type(sprout::forward<Types>(args))...}};
}
//
// convert_array
//
template<typename T, typename Converter, typename... Types>
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