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1 |
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2 #ifndef BOOST_MPL_AUX_IS_MSVC_ETI_ARG_HPP_INCLUDED |
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3 #define BOOST_MPL_AUX_IS_MSVC_ETI_ARG_HPP_INCLUDED |
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4 |
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5 // Copyright Aleksey Gurtovoy 2001-2004 |
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6 // |
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7 // Distributed under the Boost Software License, Version 1.0. |
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8 // (See accompanying file LICENSE_1_0.txt or copy at |
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9 // http://www.boost.org/LICENSE_1_0.txt) |
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10 // |
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11 // See http://www.boost.org/libs/mpl for documentation. |
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12 |
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13 // $Source: /cvsroot/boost/boost/boost/mpl/aux_/is_msvc_eti_arg.hpp,v $ |
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14 // $Date: 2004/09/02 15:40:43 $ |
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15 // $Revision: 1.4 $ |
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16 |
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17 #include <boost/mpl/aux_/yes_no.hpp> |
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18 #include <boost/mpl/aux_/config/eti.hpp> |
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19 #include <boost/mpl/aux_/config/static_constant.hpp> |
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20 |
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21 namespace boost { namespace mpl { namespace aux { |
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22 |
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23 #if defined(BOOST_MPL_CFG_MSVC_ETI_BUG) |
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24 |
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25 #if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG) |
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26 |
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27 template< typename T > |
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28 struct is_msvc_eti_arg |
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29 { |
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30 BOOST_STATIC_CONSTANT(bool, value = false); |
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31 }; |
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32 |
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33 #else // BOOST_MPL_CFG_MSVC_60_ETI_BUG |
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34 |
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35 struct eti_int_convertible |
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36 { |
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37 eti_int_convertible(int); |
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38 }; |
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39 |
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40 template< typename T > |
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41 struct is_msvc_eti_arg |
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42 { |
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43 static no_tag test(...); |
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44 static yes_tag test(eti_int_convertible); |
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45 static T& get(); |
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46 |
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47 BOOST_STATIC_CONSTANT(bool, value = |
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48 sizeof(test(get())) == sizeof(yes_tag) |
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49 ); |
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50 }; |
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51 |
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52 #endif |
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53 |
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54 template<> |
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55 struct is_msvc_eti_arg<int> |
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56 { |
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57 BOOST_STATIC_CONSTANT(bool, value = true); |
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58 }; |
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59 |
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60 #endif // BOOST_MPL_CFG_MSVC_ETI_BUG |
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61 |
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62 }}} |
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63 |
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64 #endif // BOOST_MPL_AUX_IS_MSVC_ETI_ARG_HPP_INCLUDED |