epoc32/include/stdapis/boost/tuple/tuple.hpp
author William Roberts <williamr@symbian.org>
Tue, 16 Mar 2010 16:12:26 +0000
branchSymbian2
changeset 2 2fe1408b6811
permissions -rw-r--r--
Final list of Symbian^2 public API header files
     1 //  tuple.hpp - Boost Tuple Library --------------------------------------
     2 
     3 // Copyright (C) 1999, 2000 Jaakko Järvi (jaakko.jarvi@cs.utu.fi)
     4 //
     5 // Distributed under the Boost Software License, Version 1.0. (See
     6 // accompanying file LICENSE_1_0.txt or copy at
     7 // http://www.boost.org/LICENSE_1_0.txt)
     8 
     9 // For more information, see http://www.boost.org
    10 
    11 // ----------------------------------------------------------------- 
    12 
    13 #ifndef BOOST_TUPLE_HPP
    14 #define BOOST_TUPLE_HPP
    15 
    16 #if defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 730
    17 // Work around a compiler bug.
    18 // boost::python::tuple has to be seen by the compiler before the
    19 // boost::tuple class template.
    20 namespace boost { namespace python { class tuple; }}
    21 #endif
    22 
    23 #include "boost/config.hpp"
    24 #include "boost/static_assert.hpp"
    25 
    26 #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
    27 // The MSVC version
    28 #include "boost/tuple/detail/tuple_basic_no_partial_spec.hpp"
    29 
    30 #else
    31 // other compilers
    32 #include "boost/ref.hpp"
    33 #include "boost/tuple/detail/tuple_basic.hpp"
    34 
    35 #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
    36 
    37 namespace boost {    
    38 
    39 using tuples::tuple;
    40 using tuples::make_tuple;
    41 using tuples::tie;
    42 #if !defined(BOOST_NO_USING_TEMPLATE)
    43 using tuples::get;
    44 #elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
    45 //
    46 // The "using tuples::get" statement causes the
    47 // Borland compiler to ICE, use forwarding
    48 // functions instead:
    49 //
    50 template<int N, class HT, class TT>
    51 inline typename tuples::access_traits<
    52                   typename tuples::element<N, tuples::cons<HT, TT> >::type
    53                 >::non_const_type
    54 get(tuples::cons<HT, TT>& c) {
    55   return tuples::get<N,HT,TT>(c);
    56 } 
    57 // get function for const cons-lists, returns a const reference to
    58 // the element. If the element is a reference, returns the reference
    59 // as such (that is, can return a non-const reference)
    60 template<int N, class HT, class TT>
    61 inline typename tuples::access_traits<
    62                   typename tuples::element<N, tuples::cons<HT, TT> >::type
    63                 >::const_type
    64 get(const tuples::cons<HT, TT>& c) {
    65   return tuples::get<N,HT,TT>(c);
    66 }
    67 #else  // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
    68 //
    69 // MSVC, using declarations don't mix with templates well,
    70 // so use forwarding functions instead:
    71 //
    72 template<int N, typename Head, typename Tail>
    73 typename tuples::detail::element_ref<N, tuples::cons<Head, Tail> >::RET
    74 get(tuples::cons<Head, Tail>& t, tuples::detail::workaround_holder<N>* = 0)
    75 {
    76    return tuples::detail::get_class<N>::get(t);
    77 }
    78 
    79 template<int N, typename Head, typename Tail>
    80 typename tuples::detail::element_const_ref<N, tuples::cons<Head, Tail> >::RET
    81 get(const tuples::cons<Head, Tail>& t, tuples::detail::workaround_holder<N>* = 0)
    82 {
    83    return tuples::detail::get_class<N>::get(t);
    84 }
    85 #endif // BOOST_NO_USING_TEMPLATE
    86    
    87 } // end namespace boost
    88 
    89 
    90 #endif // BOOST_TUPLE_HPP