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