mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-12-03 21:15:42 +00:00
50 lines
1.6 KiB
C++
50 lines
1.6 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 TESTSPR_UTILITY_HPP
|
||
|
|
#define TESTSPR_UTILITY_HPP
|
||
|
|
|
||
|
|
#include <type_traits>
|
||
|
|
#include <sprout/config.hpp>
|
||
|
|
#include <sprout/utility/forward.hpp>
|
||
|
|
#include <sprout/utility/as_non_const.hpp>
|
||
|
|
|
||
|
|
namespace testspr {
|
||
|
|
//
|
||
|
|
// as_const
|
||
|
|
//
|
||
|
|
template<typename T>
|
||
|
|
inline SPROUT_CONSTEXPR typename std::conditional<
|
||
|
|
std::is_lvalue_reference<T>::value,
|
||
|
|
typename std::remove_reference<T>::type const&,
|
||
|
|
typename std::remove_reference<T>::type const&&
|
||
|
|
>::type
|
||
|
|
as_const(T&& t) {
|
||
|
|
return SPROUT_FORWARD(T, t);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// as_non_const
|
||
|
|
//
|
||
|
|
template<typename T>
|
||
|
|
inline SPROUT_CONSTEXPR typename std::conditional<
|
||
|
|
std::is_lvalue_reference<T>::value,
|
||
|
|
typename std::remove_const<typename std::remove_reference<T>::type>::type&,
|
||
|
|
typename std::remove_const<typename std::remove_reference<T>::type>::type&&
|
||
|
|
>::type
|
||
|
|
as_non_const(T&& t) {
|
||
|
|
typedef typename std::conditional<
|
||
|
|
std::is_lvalue_reference<T>::value,
|
||
|
|
typename std::remove_const<typename std::remove_reference<T>::type>::type&,
|
||
|
|
typename std::remove_const<typename std::remove_reference<T>::type>::type&&
|
||
|
|
>::type type;
|
||
|
|
return const_cast<type>(t);
|
||
|
|
}
|
||
|
|
} // namespace testspr
|
||
|
|
|
||
|
|
#endif // #ifndef TESTSPR_UTILITY_HPP
|