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1 | // Copyright David Abrahams 2006. Distributed under the Boost |
2 | // Software License, Version 1.0. (See accompanying | |
3 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
4 | #ifndef BOOST_CONCEPT_ASSERT_DWA2006430_HPP | |
5 | # define BOOST_CONCEPT_ASSERT_DWA2006430_HPP | |
6 | ||
7 | # include <boost/config.hpp> | |
8 | # include <boost/detail/workaround.hpp> | |
9 | ||
10 | // The old protocol used a constraints() member function in concept | |
11 | // checking classes. If the compiler supports SFINAE, we can detect | |
12 | // that function and seamlessly support the old concept checking | |
13 | // classes. In this release, backward compatibility with the old | |
14 | // concept checking classes is enabled by default, where available. | |
15 | // The old protocol is deprecated, though, and backward compatibility | |
16 | // will no longer be the default in the next release. | |
17 | ||
18 | # if !defined(BOOST_NO_OLD_CONCEPT_SUPPORT) \ | |
19 | && !defined(BOOST_NO_SFINAE) \ | |
20 | \ | |
21 | && !(BOOST_WORKAROUND(__GNUC__, == 3) && BOOST_WORKAROUND(__GNUC_MINOR__, < 4)) | |
22 | ||
23 | // Note: gcc-2.96 through 3.3.x have some SFINAE, but no ability to | |
24 | // check for the presence of particularmember functions. | |
25 | ||
26 | # define BOOST_OLD_CONCEPT_SUPPORT | |
27 | ||
28 | # endif | |
29 | ||
30 | # ifdef BOOST_MSVC | |
31 | # include <boost/concept/detail/msvc.hpp> | |
32 | # elif BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) | |
33 | # include <boost/concept/detail/borland.hpp> | |
34 | # else | |
35 | # include <boost/concept/detail/general.hpp> | |
36 | # endif | |
37 | ||
38 | // Usage, in class or function context: | |
39 | // | |
40 | // BOOST_CONCEPT_ASSERT((UnaryFunctionConcept<F,bool,int>)); | |
41 | // | |
42 | # define BOOST_CONCEPT_ASSERT(ModelInParens) \ | |
43 | BOOST_CONCEPT_ASSERT_FN(void(*)ModelInParens) | |
44 | ||
45 | #endif // BOOST_CONCEPT_ASSERT_DWA2006430_HPP |