ecency-mobile/ios/Pods/boost-for-react-native/boost/align/detail/remove_traits.hpp

91 lines
2.1 KiB
C++

/*
(c) 2014 Glen Joseph Fernandes
glenjofe at gmail dot com
Distributed under the Boost Software
License, Version 1.0.
http://boost.org/LICENSE_1_0.txt
*/
#ifndef BOOST_ALIGN_DETAIL_REMOVE_TRAITS_HPP
#define BOOST_ALIGN_DETAIL_REMOVE_TRAITS_HPP
#include <boost/config.hpp>
#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
#include <type_traits>
#else
#include <cstddef>
#endif
namespace boost {
namespace alignment {
namespace detail {
#if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
using std::remove_reference;
using std::remove_all_extents;
using std::remove_cv;
#else
template<class T>
struct remove_reference {
typedef T type;
};
template<class T>
struct remove_reference<T&> {
typedef T type;
};
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
template<class T>
struct remove_reference<T&&> {
typedef T type;
};
#endif
template<class T>
struct remove_all_extents {
typedef T type;
};
template<class T>
struct remove_all_extents<T[]> {
typedef typename remove_all_extents<T>::type type;
};
template<class T, std::size_t N>
struct remove_all_extents<T[N]> {
typedef typename remove_all_extents<T>::type type;
};
template<class T>
struct remove_const {
typedef T type;
};
template<class T>
struct remove_const<const T> {
typedef T type;
};
template<class T>
struct remove_volatile {
typedef T type;
};
template<class T>
struct remove_volatile<volatile T> {
typedef T type;
};
template<class T>
struct remove_cv {
typedef typename remove_volatile<typename
remove_const<T>::type>::type type;
};
#endif
}
}
}
#endif