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epoc32/include/stdapis/boost/mpl/set/aux_/iterator.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed. 
     1 

     2 #ifndef BOOST_MPL_SET_AUX_ITERATOR_HPP_INCLUDED

     3 #define BOOST_MPL_SET_AUX_ITERATOR_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_/iterator.hpp,v $

    15 // $Date: 2005/06/18 22:03:09 $

    16 // $Revision: 1.4 $

    17 

    18 #include <boost/mpl/set/aux_/set0.hpp>

    19 #include <boost/mpl/has_key.hpp>

    20 #include <boost/mpl/iterator_tags.hpp>

    21 #include <boost/mpl/next.hpp>

    22 #include <boost/mpl/eval_if.hpp>

    23 #include <boost/mpl/if.hpp>

    24 #include <boost/mpl/identity.hpp>

    25 #include <boost/mpl/aux_/config/ctps.hpp>

    26 

    27 namespace boost { namespace mpl {

    28 

    29 // used by 's_iter_impl'

    30 template< typename Set, typename Tail > struct s_iter;

    31 

    32 template< typename Set, typename Tail > struct s_iter_impl

    33 {

    34     typedef Tail                        tail_;

    35     typedef forward_iterator_tag        category;

    36     typedef typename Tail::item_::type  type;

    37 

    38 #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)

    39     typedef typename eval_if< 

    40           has_key< Set,typename Tail::next_::type >

    41         , identity< s_iter<Set,typename Tail::next_> >

    42         , next< s_iter<Set,typename Tail::next_> >

    43         >::type next;        

    44 #endif

    45 };

    46 

    47 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)

    48 

    49 template< typename Set, typename Tail > 

    50 struct next< s_iter<Set,Tail> >

    51     : eval_if< 

    52           has_key< Set,typename Tail::next_::type >

    53         , identity< s_iter<Set,typename Tail::next_> >

    54         , next< s_iter<Set,typename Tail::next_> >

    55         >

    56 {

    57 };

    58 

    59 template< typename Set > 

    60 struct next< s_iter<Set,set0<> > >

    61 {

    62     typedef s_iter<Set,set0<> > type;

    63 };

    64 

    65 template< typename Set, typename Tail > struct s_iter

    66     : s_iter_impl<Set,Tail>

    67 {

    68 };

    69 

    70 template< typename Set > struct s_iter<Set, set0<> >

    71 {

    72     typedef forward_iterator_tag category;

    73 };

    74 

    75 #else

    76 

    77 template< typename Set >

    78 struct s_end_iter

    79 {

    80     typedef forward_iterator_tag    category;

    81     typedef s_iter<Set,set0<> >     next;

    82 };

    83 

    84 template< typename Set, typename Tail > struct s_iter

    85     : if_< 

    86           is_same< Tail,set0<> >

    87         , s_end_iter<Set>

    88         , s_iter_impl<Set,Tail>

    89         >::type

    90 {

    91 };

    92 

    93 #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

    94 

    95 }}

    96 

    97 #endif // BOOST_MPL_SET_AUX_ITERATOR_HPP_INCLUDED
test