1 

     2 //  (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard

     3 //  Hinnant & John Maddock 2000.  

     4 //  Use, modification and distribution are subject to the Boost Software License,

     5 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at

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

     7 //

     8 //  See http://www.boost.org/libs/type_traits for most recent version including documentation.

     9 

    10 

    11 #ifndef BOOST_TT_ADD_CV_HPP_INCLUDED

    12 #define BOOST_TT_ADD_CV_HPP_INCLUDED

    13 

    14 #include <boost/config.hpp>

    15 

    16 // should be the last #include

    17 #include <boost/type_traits/detail/type_trait_def.hpp>

    18 

    19 namespace boost {

    20 

    21 // * convert a type T to a const volatile type - add_cv<T>

    22 // this is not required since the result is always

    23 // the same as "T const volatile", but it does suppress warnings

    24 // from some compilers:

    25 

    26 #if defined(BOOST_MSVC)

    27 // This bogus warning will appear when add_volatile is applied to a

    28 // const volatile reference because we can't detect const volatile

    29 // references with MSVC6.

    30 #   pragma warning(push)

    31 #   pragma warning(disable:4181) // warning C4181: qualifier applied to reference type ignored

    32 #endif 

    33 

    34 BOOST_TT_AUX_TYPE_TRAIT_DEF1(add_cv,T,T const volatile)

    35 

    36 #if defined(BOOST_MSVC)

    37 #   pragma warning(pop)

    38 #endif 

    39 

    40 #ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

    41 BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,add_cv,T&,T&)

    42 #endif

    43 

    44 } // namespace boost

    45 

    46 #include <boost/type_traits/detail/type_trait_undef.hpp>

    47 

    48 #endif // BOOST_TT_ADD_CV_HPP_INCLUDED