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/*!
@file
Defines `boost::hana::IntegralConstant`.
@copyright Louis Dionne 2013-2017
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
*/
#ifndef BOOST_HANA_CONCEPT_INTEGRAL_CONSTANT_HPP
#define BOOST_HANA_CONCEPT_INTEGRAL_CONSTANT_HPP
#include <boost/hana/fwd/concept/integral_constant.hpp>
#include <boost/hana/config.hpp>
#include <boost/hana/core/tag_of.hpp>
#include <boost/hana/detail/integral_constant.hpp>
BOOST_HANA_NAMESPACE_BEGIN
namespace detail {
template <typename C, typename Tag = typename tag_of<C>::type>
struct integral_constant_dispatch
: hana::integral_constant<bool,
hana::IntegralConstant<Tag>::value
>
{ };
template <typename C>
struct integral_constant_dispatch<C, C>
: hana::integral_constant<bool, false>
{ };
}
//! @cond
template <typename C>
struct IntegralConstant
: detail::integral_constant_dispatch<C>
{ };
//! @endcond
BOOST_HANA_NAMESPACE_END
#endif // !BOOST_HANA_CONCEPT_INTEGRAL_CONSTANT_HPP
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