forked from boostorg/mpl
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
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#ifndef BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED
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#define BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED
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// + file: boost/mpl/aux_/count_impl.hpp
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// + last modified: 05/nov/03
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// Copyright Aleksey Gurtovoy 2000-03
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//
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// Use, modification and distribution are subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy
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// at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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#include "boost/mpl/count_fwd.hpp"
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#include "boost/mpl/count_if.hpp"
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#include "boost/mpl/same_as.hpp"
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#include "boost/mpl/aux_/config/static_constant.hpp"
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#include "boost/mpl/aux_/config/workaround.hpp"
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#include "boost/mpl/aux_/traits_lambda_spec.hpp"
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namespace boost {
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namespace mpl {
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template< typename Tag > struct count_impl
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{
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template< typename Sequence, typename T > struct apply
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#if BOOST_WORKAROUND(__BORLANDC__,BOOST_TESTED_AT(0x561))
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{
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typedef typename count_if< Sequence,same_as<T> >::type type;
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BOOST_STATIC_CONSTANT(int, value = BOOST_MPL_AUX_VALUE_WKND(type)::value);
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#else
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: count_if< Sequence,same_as<T> >
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{
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#endif
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};
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};
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BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2,count_impl)
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}}
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#endif // BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED
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