mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-23 05:13:04 +03:00
81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// count.hpp
|
|
//
|
|
// Copyright 2005 Eric Niebler. 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)
|
|
|
|
#ifndef BOOST_ACCUMULATORS_STATISTICS_COUNT_HPP_EAN_28_10_2005
|
|
#define BOOST_ACCUMULATORS_STATISTICS_COUNT_HPP_EAN_28_10_2005
|
|
|
|
#include <boost/mpl/always.hpp>
|
|
#include <boost/accumulators/framework/accumulator_base.hpp>
|
|
#include <boost/accumulators/framework/extractor.hpp>
|
|
#include <boost/accumulators/framework/depends_on.hpp>
|
|
#include <boost/accumulators/statistics_fwd.hpp>
|
|
|
|
namespace boost { namespace accumulators
|
|
{
|
|
|
|
namespace impl
|
|
{
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// count_impl
|
|
struct count_impl
|
|
: accumulator_base
|
|
{
|
|
// for boost::result_of
|
|
typedef std::size_t result_type;
|
|
|
|
count_impl(dont_care)
|
|
: cnt(0)
|
|
{
|
|
}
|
|
|
|
void operator ()(dont_care)
|
|
{
|
|
++this->cnt;
|
|
}
|
|
|
|
result_type result(dont_care) const
|
|
{
|
|
return this->cnt;
|
|
}
|
|
|
|
private:
|
|
std::size_t cnt;
|
|
};
|
|
|
|
} // namespace impl
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// tag::count
|
|
//
|
|
namespace tag
|
|
{
|
|
struct count
|
|
: depends_on<>
|
|
{
|
|
/// INTERNAL ONLY
|
|
///
|
|
typedef mpl::always<accumulators::impl::count_impl> impl;
|
|
};
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// extract::count
|
|
//
|
|
namespace extract
|
|
{
|
|
extractor<tag::count> const count = {};
|
|
|
|
BOOST_ACCUMULATORS_IGNORE_GLOBAL(count)
|
|
}
|
|
|
|
using extract::count;
|
|
|
|
}} // namespace boost::accumulators
|
|
|
|
#endif
|