1 | |
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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 |
45 |