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epoc32/include/stdapis/boost/variant/detail/has_nothrow_move.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 // (C) Copyright Eric Friedman 2002-2003.

     3 // Distributed under the Boost Software License, Version 1.0. (See

     4 // accompanying file LICENSE_1_0.txt or copy at

     5 // http://www.boost.org/LICENSE_1_0.txt)

     6 //

     7 // See http://www.boost.org for most recent version including documentation.

     8 

     9 #ifndef BOOST_VARIANT_DETAIL_HAS_NOTHROW_MOVE_HPP_INCLUDED

    10 #define BOOST_VARIANT_DETAIL_HAS_NOTHROW_MOVE_HPP_INCLUDED

    11 

    12 #include "boost/config.hpp" // for STATIC_CONSTANT

    13 #include "boost/variant/detail/has_trivial_move.hpp"

    14 #include "boost/type_traits/has_nothrow_copy.hpp"

    15 #include "boost/type_traits/has_nothrow_assign.hpp"

    16 

    17 #include "boost/mpl/and.hpp"

    18 #include "boost/mpl/or.hpp"

    19 

    20 // should be the last #include

    21 #include "boost/variant/detail/bool_trait_def.hpp"

    22 

    23 namespace boost {

    24 namespace detail { namespace variant {

    25 

    26 // TRAIT: has_nothrow_move

    27 

    28 template <typename T>

    29 struct has_nothrow_move_impl

    30 {

    31     BOOST_STATIC_CONSTANT(

    32         bool, value = (

    33             ::boost::mpl::or_<

    34                 has_trivial_move<T>

    35               , ::boost::mpl::and_<

    36                   has_nothrow_copy<T>

    37                 , has_nothrow_assign<T>

    38                 >

    39             >::type::value

    40             )

    41         );

    42 };

    43 

    44 BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1(

    45       has_nothrow_move

    46     , T

    47     , (::boost::detail::variant::has_nothrow_move_impl<T>::value)

    48     )

    49 

    50 

    51 // TRAIT: has_nothrow_move_constructor

    52 

    53 template <typename T>

    54 struct has_nothrow_move_constructor_impl

    55 {

    56     BOOST_STATIC_CONSTANT(

    57         bool, value = (

    58             ::boost::mpl::or_<

    59               has_nothrow_move<T>

    60             , has_trivial_move_constructor<T>

    61             , has_nothrow_copy<T>

    62             >::type::value

    63             )

    64         );

    65 };

    66 

    67 BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1(

    68       has_nothrow_move_constructor

    69     , T

    70     , (::boost::detail::variant::has_nothrow_move_constructor_impl<T>::value)

    71     )

    72 

    73 

    74 // TRAIT: has_nothrow_move_assign

    75 

    76 template <typename T>

    77 struct has_nothrow_move_assign_impl

    78 {

    79     BOOST_STATIC_CONSTANT(

    80         bool, value = (

    81             ::boost::mpl::or_<

    82               has_nothrow_move<T>

    83             , has_trivial_move_assign<T>

    84             , has_nothrow_assign<T>

    85             >::type::value

    86             )

    87         );

    88 };

    89 

    90 BOOST_VARIANT_TT_AUX_BOOL_TRAIT_DEF1(

    91       has_nothrow_move_assign

    92     , T

    93     , (::boost::detail::variant::has_nothrow_move_assign_impl<T>::value)

    94     )

    95 

    96 }} // namespace detail::variant

    97 

    98 BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(1,::boost::detail::variant::has_nothrow_move)

    99 BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(1,::boost::detail::variant::has_nothrow_move_constructor)

   100 BOOST_VARIANT_TT_AUX_TRAIT_SUFFIX(1,::boost::detail::variant::has_nothrow_move_assign)

   101 

   102 } // namespace boost

   103 

   104 #include "boost/variant/detail/bool_trait_undef.hpp"

   105 

   106 #endif // BOOST_VARIANT_DETAIL_HAS_NOTHROW_MOVE_HPP_INCLUDED
test