epoc32/include/stdapis/boost/variant/detail/substitute_fwd.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
     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_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
    32  && !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE)
    33 #   define BOOST_VARIANT_DETAIL_NO_SUBSTITUTE
    34 #endif
    35 
    36 namespace boost {
    37 namespace detail { namespace variant {
    38 
    39 #if !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE)
    40 
    41 ///////////////////////////////////////////////////////////////////////////////
    42 // metafunction substitute
    43 //
    44 // Substitutes one type for another in the given type expression.
    45 //
    46 template <
    47       typename T, typename Dest, typename Source
    48       BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(
    49           typename Arity = mpl::int_< mpl::aux::template_arity<T>::value >
    50         )
    51     >
    52 struct substitute;
    53 
    54 #endif // !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE)
    55 
    56 }} // namespace detail::variant
    57 } // namespace boost
    58 
    59 #endif // BOOST_VARIANT_DETAIL_SUBSTITUTE_FWD_HPP