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/* Copyright 2014-2016 Glen Joseph Fernandes (glenjofe@gmail.com) Distributed under the Boost Software License, Version 1.0. (http://www.boost.org/LICENSE_1_0.txt) */ #ifndef BOOST_ALIGN_DETAIL_INTEGRAL_CONSTANT_HPP #define BOOST_ALIGN_DETAIL_INTEGRAL_CONSTANT_HPP #include <boost/config.hpp> #if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS) #include <type_traits> #endif namespace boost { namespace alignment { namespace detail { #if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS) using std::integral_constant; using std::true_type; using std::false_type; #else template<class T, T Value> struct integral_constant { typedef T value_type; typedef integral_constant type; BOOST_CONSTEXPR operator value_type() const BOOST_NOEXCEPT { return Value; } BOOST_CONSTEXPR value_type operator()() const BOOST_NOEXCEPT { return Value; } BOOST_STATIC_CONSTEXPR T value = Value; }; template<class T, T Value> BOOST_CONSTEXPR_OR_CONST T integral_constant<T, Value>::value; typedef integral_constant<bool, true> true_type; typedef integral_constant<bool, false> false_type; #endif } /* detail */ } /* alignment */ } /* boost */ #endif