44 lines
1.3 KiB
Plaintext
44 lines
1.3 KiB
Plaintext
|
/*=============================================================================
|
||
|
|
Copyright (c) 2001-2011 Joel de Guzman
|
||
|
|
Copyright (c) 2007
|
||
|
|
|
||
|
|
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)
|
||
|
|
==============================================================================*/
|
||
|
|
#if !defined(BOOST_FUSION_COUNT_09162005_0150)
|
||
|
|
#define BOOST_FUSION_COUNT_09162005_0150
|
||
|
|
|
||
|
|
#include <boost/fusion/support/config.hpp>
|
||
|
|
#include <boost/fusion/algorithm/query/count_if.hpp>
|
||
|
|
#include <boost/fusion/algorithm/query/detail/count.hpp>
|
||
|
|
#include <boost/fusion/support/is_sequence.hpp>
|
||
|
|
#include <boost/utility/enable_if.hpp>
|
||
|
|
|
||
|
|
namespace boost { namespace fusion
|
||
|
|
{
|
||
|
|
namespace result_of
|
||
|
|
{
|
||
|
|
template <typename Sequence, typename F>
|
||
|
|
struct count
|
||
|
|
{
|
||
|
|
typedef int type;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename Sequence, typename T>
|
||
|
|
BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
|
||
|
|
inline typename
|
||
|
|
enable_if<
|
||
|
|
traits::is_sequence<Sequence>
|
||
|
|
, int
|
||
|
|
>::type
|
||
|
|
count(Sequence const& seq, T const& x)
|
||
|
|
{
|
||
|
|
detail::count_compare<T> f(x);
|
||
|
|
return fusion::count_if(seq, f);
|
||
|
|
}
|
||
|
|
}}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|