Chris@102: /*
Chris@102:  (c) 2014 Glen Joseph Fernandes
Chris@102:  glenjofe at gmail dot com
Chris@102: 
Chris@102:  Distributed under the Boost Software
Chris@102:  License, Version 1.0.
Chris@102:  http://boost.org/LICENSE_1_0.txt
Chris@102: */
Chris@102: #ifndef BOOST_ALIGN_DETAIL_INTEGRAL_CONSTANT_HPP
Chris@102: #define BOOST_ALIGN_DETAIL_INTEGRAL_CONSTANT_HPP
Chris@102: 
Chris@102: #include <boost/config.hpp>
Chris@102: 
Chris@102: #if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
Chris@102: #include <type_traits>
Chris@102: #endif
Chris@102: 
Chris@102: namespace boost {
Chris@102:     namespace alignment {
Chris@102:         namespace detail {
Chris@102: #if !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
Chris@102:             using std::integral_constant;
Chris@102: #else
Chris@102:             template<class T, T Value>
Chris@102:             struct integral_constant {
Chris@102:                 typedef T value_type;
Chris@102:                 typedef integral_constant<T, Value> type;
Chris@102: 
Chris@102: #if !defined(BOOST_NO_CXX11_CONSTEXPR)
Chris@102:                 constexpr operator value_type() const {
Chris@102:                     return Value;
Chris@102:                 }
Chris@102: 
Chris@102:                 static constexpr T value = Value;
Chris@102: #else
Chris@102:                 enum {
Chris@102:                     value = Value
Chris@102:                 };
Chris@102: #endif
Chris@102:             };
Chris@102: #endif
Chris@102:         }
Chris@102:     }
Chris@102: }
Chris@102: 
Chris@102: #endif