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1 | |
2 | #ifndef BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED | |
3 | #define BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED | |
4 | ||
5 | // Copyright Aleksey Gurtovoy 2000-2004 | |
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/count_fwd.hpp> | |
18 | #include <boost/mpl/count_if.hpp> | |
19 | #include <boost/mpl/same_as.hpp> | |
20 | #include <boost/mpl/aux_/config/static_constant.hpp> | |
21 | #include <boost/mpl/aux_/config/workaround.hpp> | |
22 | #include <boost/mpl/aux_/traits_lambda_spec.hpp> | |
23 | ||
24 | namespace boost { namespace mpl { | |
25 | ||
26 | template< typename Tag > struct count_impl | |
27 | { | |
28 | template< typename Sequence, typename T > struct apply | |
29 | #if BOOST_WORKAROUND(__BORLANDC__,BOOST_TESTED_AT(0x561)) | |
30 | { | |
31 | typedef typename count_if< Sequence,same_as<T> >::type type; | |
32 | BOOST_STATIC_CONSTANT(int, value = BOOST_MPL_AUX_VALUE_WKND(type)::value); | |
33 | #else | |
34 | : count_if< Sequence,same_as<T> > | |
35 | { | |
36 | #endif | |
37 | }; | |
38 | }; | |
39 | ||
40 | BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2,count_impl) | |
41 | ||
42 | }} | |
43 | ||
44 | #endif // BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED |