diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2011-06-28 17:17:23 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2011-06-28 17:17:23 +0200 |
commit | b51965dddbed68f23c5e8c169c23c794313ce5f6 (patch) | |
tree | 37bbdf4e5b1cdd34ea0694a5abd1483d1de2b3af /cutl/details/boost/type_traits/integral_constant.hpp | |
parent | 5f06e7e30e4f511ce2fb27c5feefa6aeb6f00841 (diff) |
Add boost subset as an implementation detail
Diffstat (limited to 'cutl/details/boost/type_traits/integral_constant.hpp')
-rw-r--r-- | cutl/details/boost/type_traits/integral_constant.hpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/cutl/details/boost/type_traits/integral_constant.hpp b/cutl/details/boost/type_traits/integral_constant.hpp new file mode 100644 index 0000000..e284cb6 --- /dev/null +++ b/cutl/details/boost/type_traits/integral_constant.hpp @@ -0,0 +1,53 @@ +// (C) Copyright John Maddock 2005. +// Use, modification and distribution are subject to 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 BOOST_TYPE_TRAITS_INTEGRAL_CONSTANT_HPP +#define BOOST_TYPE_TRAITS_INTEGRAL_CONSTANT_HPP + +#include <cutl/details/boost/config.hpp> +#include <cutl/details/boost/mpl/bool.hpp> +#include <cutl/details/boost/mpl/integral_c.hpp> + +namespace cutl_details_boost{ + +#if defined(BOOST_NO_DEPENDENT_TYPES_IN_TEMPLATE_VALUE_PARAMETERS) || defined(__BORLANDC__) +template <class T, int val> +#else +template <class T, T val> +#endif +struct integral_constant : public mpl::integral_c<T, val> +{ + typedef integral_constant<T,val> type; +}; + +template<> struct integral_constant<bool,true> : public mpl::true_ +{ +#if BOOST_WORKAROUND(BOOST_MSVC, < 1300) +# pragma warning(push) +# pragma warning(disable:4097) + typedef mpl::true_ base_; + using base_::value; +# pragma warning(pop) +#endif + typedef integral_constant<bool,true> type; +}; +template<> struct integral_constant<bool,false> : public mpl::false_ +{ +#if BOOST_WORKAROUND(BOOST_MSVC, < 1300) +# pragma warning(push) +# pragma warning(disable:4097) + typedef mpl::false_ base_; + using base_::value; +# pragma warning(pop) +#endif + typedef integral_constant<bool,false> type; +}; + +typedef integral_constant<bool,true> true_type; +typedef integral_constant<bool,false> false_type; + +} + +#endif |