projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | //----------------------------------------------------------------------------- |
| 2 | // boost variant/detail/substitute_fwd.hpp header file | |
| 3 | // See http://www.boost.org for updates, documentation, and revision history. | |
| 4 | //----------------------------------------------------------------------------- | |
| 5 | // | |
| 6 | // Copyright (c) 2003 | |
| 7 | // Eric Friedman | |
| 8 | // | |
| 9 | // Distributed under the Boost Software License, Version 1.0. (See | |
| 10 | // accompanying file LICENSE_1_0.txt or copy at | |
| 11 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 12 | ||
| 13 | #ifndef BOOST_VARIANT_DETAIL_SUBSTITUTE_FWD_HPP | |
| 14 | #define BOOST_VARIANT_DETAIL_SUBSTITUTE_FWD_HPP | |
| 15 | ||
| 16 | #include <boost/mpl/aux_/lambda_arity_param.hpp> | |
| 17 | #include <boost/mpl/aux_/template_arity.hpp> | |
| 18 | #include <boost/mpl/int_fwd.hpp> | |
| 19 | ||
| 20 | ||
| 21 | /////////////////////////////////////////////////////////////////////////////// | |
| 22 | // BOOST_VARIANT_DETAIL_NO_SUBSTITUTE | |
| 23 | // | |
| 24 | // Defined if 'substitute' is not implementable on the current compiler. | |
| 25 | // | |
| 26 | ||
| 27 | #include <boost/mpl/aux_/config/ctps.hpp> | |
| 28 | #include <boost/mpl/aux_/config/ttp.hpp> | |
| 29 | ||
| 30 | #if defined(BOOST_NO_TEMPLATE_TEMPLATE_PARAMETERS) \ | |
| 31 | && !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) | |
| 32 | # define BOOST_VARIANT_DETAIL_NO_SUBSTITUTE | |
| 33 | #endif | |
| 34 | ||
| 35 | namespace boost { | |
| 36 | namespace detail { namespace variant { | |
| 37 | ||
| 38 | #if !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) | |
| 39 | ||
| 40 | /////////////////////////////////////////////////////////////////////////////// | |
| 41 | // metafunction substitute | |
| 42 | // | |
| 43 | // Substitutes one type for another in the given type expression. | |
| 44 | // | |
| 45 | template < | |
| 46 | typename T, typename Dest, typename Source | |
| 47 | BOOST_MPL_AUX_LAMBDA_ARITY_PARAM( | |
| 48 | typename Arity = mpl::int_< mpl::aux::template_arity<T>::value > | |
| 49 | ) | |
| 50 | > | |
| 51 | struct substitute; | |
| 52 | ||
| 53 | #endif // !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) | |
| 54 | ||
| 55 | }} // namespace detail::variant | |
| 56 | } // namespace boost | |
| 57 | ||
| 58 | #endif // BOOST_VARIANT_DETAIL_SUBSTITUTE_FWD_HPP |