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Diffstat (limited to 'boost/mpl/aux_/count_impl.hpp')
| -rw-r--r-- | boost/mpl/aux_/count_impl.hpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/boost/mpl/aux_/count_impl.hpp b/boost/mpl/aux_/count_impl.hpp new file mode 100644 index 0000000000..22e2cf5fb5 --- /dev/null +++ b/boost/mpl/aux_/count_impl.hpp @@ -0,0 +1,44 @@ + +#ifndef BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED +#define BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED + +// Copyright Aleksey Gurtovoy 2000-2004 +// +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) +// +// See http://www.boost.org/libs/mpl for documentation. + +// $Id: count_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ +// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ +// $Revision: 49267 $ + +#include <boost/mpl/count_fwd.hpp> +#include <boost/mpl/count_if.hpp> +#include <boost/mpl/same_as.hpp> +#include <boost/mpl/aux_/config/static_constant.hpp> +#include <boost/mpl/aux_/config/workaround.hpp> +#include <boost/mpl/aux_/traits_lambda_spec.hpp> + +namespace boost { namespace mpl { + +template< typename Tag > struct count_impl +{ + template< typename Sequence, typename T > struct apply +#if BOOST_WORKAROUND(__BORLANDC__,BOOST_TESTED_AT(0x561)) + { + typedef typename count_if< Sequence,same_as<T> >::type type; + BOOST_STATIC_CONSTANT(int, value = BOOST_MPL_AUX_VALUE_WKND(type)::value); +#else + : count_if< Sequence,same_as<T> > + { +#endif + }; +}; + +BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2,count_impl) + +}} + +#endif // BOOST_MPL_AUX_COUNT_IMPL_HPP_INCLUDED |