epoc32/include/stdapis/boost/mpl/set/aux_/insert_impl.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 #ifndef BOOST_MPL_SET_AUX_INSERT_IMPL_HPP_INCLUDED
     3 #define BOOST_MPL_SET_AUX_INSERT_IMPL_HPP_INCLUDED
     4 
     5 // Copyright Aleksey Gurtovoy 2003-2004
     6 // Copyright David Abrahams 2003-2004
     7 //
     8 // Distributed under the Boost Software License, Version 1.0. 
     9 // (See accompanying file LICENSE_1_0.txt or copy at 
    10 // http://www.boost.org/LICENSE_1_0.txt)
    11 //
    12 // See http://www.boost.org/libs/mpl for documentation.
    13 
    14 // $Source: /cvsroot/boost/boost/boost/mpl/set/aux_/insert_impl.hpp,v $
    15 // $Date: 2004/09/05 09:42:59 $
    16 // $Revision: 1.4 $
    17 
    18 #include <boost/mpl/insert_fwd.hpp>
    19 #include <boost/mpl/set/aux_/has_key_impl.hpp>
    20 #include <boost/mpl/set/aux_/item.hpp>
    21 #include <boost/mpl/set/aux_/tag.hpp>
    22 #include <boost/mpl/identity.hpp>
    23 #include <boost/mpl/base.hpp>
    24 #include <boost/mpl/eval_if.hpp>
    25 #include <boost/mpl/aux_/na.hpp>
    26 
    27 #include <boost/type_traits/is_same.hpp>
    28 
    29 namespace boost { namespace mpl {
    30 
    31 namespace aux {
    32 template<  typename Set, typename T > struct set_insert_impl
    33     : eval_if< 
    34           has_key_impl<aux::set_tag>::apply<Set,T>
    35         , identity<Set>
    36         , eval_if< 
    37               is_same< T,typename Set::last_masked_ > 
    38             , base<Set>
    39             , identity< s_item<T,Set> >
    40             >
    41         >
    42 {
    43 };
    44 }
    45 
    46 template<>
    47 struct insert_impl< aux::set_tag >
    48 {
    49     template< 
    50           typename Set
    51         , typename PosOrKey
    52         , typename KeyOrNA
    53         > 
    54     struct apply
    55         : aux::set_insert_impl<
    56               Set
    57             , typename if_na<KeyOrNA,PosOrKey>::type
    58             >
    59     {
    60     };
    61 };
    62 
    63 }}
    64 
    65 #endif // BOOST_MPL_SET_AUX_INSERT_IMPL_HPP_INCLUDED