2 #ifndef BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED
3 #define BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED
5 // Copyright Aleksey Gurtovoy 2000-2004
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)
11 // See http://www.boost.org/libs/mpl for documentation.
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>
24 namespace boost { namespace mpl {
26 template< typename Tag > struct count_impl
28 template< typename Sequence, typename T > struct apply
29 #if BOOST_WORKAROUND(BOOST_BORLANDC,BOOST_TESTED_AT(0x561))
31 typedef typename count_if< Sequence,same_as<T> >::type type;
32 BOOST_STATIC_CONSTANT(int, value = BOOST_MPL_AUX_VALUE_WKND(type)::value);
34 : count_if< Sequence,same_as<T> >
40 BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2,count_impl)
44 #endif // BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED