Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/generic/include/boost/detail/is_xxx.hpp @ 16:2665513ce2d3
Add boost headers
| author | Chris Cannam |
|---|---|
| date | Tue, 05 Aug 2014 11:11:38 +0100 |
| parents | |
| children | c530137014c0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/generic/include/boost/detail/is_xxx.hpp Tue Aug 05 11:11:38 2014 +0100 @@ -0,0 +1,61 @@ +// Copyright David Abrahams 2005. Distributed under 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_DETAIL_IS_XXX_DWA20051011_HPP +# define BOOST_DETAIL_IS_XXX_DWA20051011_HPP + +# include <boost/config.hpp> +# include <boost/mpl/bool.hpp> +# include <boost/preprocessor/enum_params.hpp> + +# if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) +# include <boost/type_traits/is_reference.hpp> +# include <boost/type_traits/add_reference.hpp> + +# define BOOST_DETAIL_IS_XXX_DEF(name, qualified_name, nargs) \ +template <class X_> \ +struct is_##name \ +{ \ + typedef char yes; \ + typedef char (&no)[2]; \ + \ + static typename add_reference<X_>::type dummy; \ + \ + struct helpers \ + { \ + template < BOOST_PP_ENUM_PARAMS_Z(1, nargs, class U) > \ + static yes test( \ + qualified_name< BOOST_PP_ENUM_PARAMS_Z(1, nargs, U) >&, int \ + ); \ + \ + template <class U> \ + static no test(U&, ...); \ + }; \ + \ + BOOST_STATIC_CONSTANT( \ + bool, value \ + = !is_reference<X_>::value \ + & (sizeof(helpers::test(dummy, 0)) == sizeof(yes))); \ + \ + typedef mpl::bool_<value> type; \ +}; + +# else + +# define BOOST_DETAIL_IS_XXX_DEF(name, qualified_name, nargs) \ +template <class T> \ +struct is_##name : mpl::false_ \ +{ \ +}; \ + \ +template < BOOST_PP_ENUM_PARAMS_Z(1, nargs, class T) > \ +struct is_##name< \ + qualified_name< BOOST_PP_ENUM_PARAMS_Z(1, nargs, T) > \ +> \ + : mpl::true_ \ +{ \ +}; + +# endif + +#endif // BOOST_DETAIL_IS_XXX_DWA20051011_HPP