98 lines
2.8 KiB
Plaintext
98 lines
2.8 KiB
Plaintext
|
// Copyright 2005 Daniel Wallin.
|
||
|
|
// Copyright 2005 Joel de Guzman.
|
||
|
|
// Copyright 2005 Dan Marsden.
|
||
|
|
//
|
||
|
|
// Use, modification and distribution is subject to 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)
|
||
|
|
//
|
||
|
|
// Modeled after range_ex, Copyright 2004 Eric Niebler
|
||
|
|
|
||
|
|
#ifndef BOOST_PHOENIX_ALGORITHM_ITERATION_HPP
|
||
|
|
#define BOOST_PHOENIX_ALGORITHM_ITERATION_HPP
|
||
|
|
|
||
|
|
#include <algorithm>
|
||
|
|
#include <numeric>
|
||
|
|
|
||
|
|
#include <boost/phoenix/stl/algorithm/detail/begin.hpp>
|
||
|
|
#include <boost/phoenix/stl/algorithm/detail/end.hpp>
|
||
|
|
|
||
|
|
#include <boost/phoenix/function/adapt_callable.hpp>
|
||
|
|
|
||
|
|
namespace boost { namespace phoenix {
|
||
|
|
namespace impl
|
||
|
|
{
|
||
|
|
struct for_each
|
||
|
|
{
|
||
|
|
template <typename Sig>
|
||
|
|
struct result;
|
||
|
|
|
||
|
|
template<typename This, class R, class F>
|
||
|
|
struct result<This(R&, F)>
|
||
|
|
: result<This(R&, F const &)>
|
||
|
|
{};
|
||
|
|
|
||
|
|
template<typename This, class R, class F>
|
||
|
|
struct result<This(R&, F &)>
|
||
|
|
{
|
||
|
|
typedef F type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<class R, class F>
|
||
|
|
F const operator()(R& r, F const& fn) const
|
||
|
|
{
|
||
|
|
return std::for_each(detail::begin_(r), detail::end_(r), fn);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
struct accumulate
|
||
|
|
{
|
||
|
|
template <typename Sig>
|
||
|
|
struct result;
|
||
|
|
|
||
|
|
template<typename This, class R, class I>
|
||
|
|
struct result<This(R&, I)>
|
||
|
|
: result<This(R&, I const &)>
|
||
|
|
{};
|
||
|
|
|
||
|
|
template<typename This, class R, class I>
|
||
|
|
struct result<This(R&, I &)>
|
||
|
|
{
|
||
|
|
typedef I type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename This, class R, class I, class C>
|
||
|
|
struct result<This(R&, I, C)>
|
||
|
|
: result<This(R&, I const &, C)>
|
||
|
|
{};
|
||
|
|
|
||
|
|
template<typename This, class R, class I, class C>
|
||
|
|
struct result<This(R&, I &, C)>
|
||
|
|
{
|
||
|
|
typedef I type;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<class R, class I>
|
||
|
|
I
|
||
|
|
operator()(R& r, I i) const
|
||
|
|
{
|
||
|
|
return std::accumulate(detail::begin_(r), detail::end_(r), i);
|
||
|
|
}
|
||
|
|
|
||
|
|
template<class R, class I, class C>
|
||
|
|
I
|
||
|
|
operator()(R& r, I i, C c) const
|
||
|
|
{
|
||
|
|
return std::accumulate(detail::begin_(r), detail::end_(r), i, c);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOST_PHOENIX_ADAPT_CALLABLE(for_each, impl::for_each, 2)
|
||
|
|
BOOST_PHOENIX_ADAPT_CALLABLE(accumulate, impl::accumulate, 2)
|
||
|
|
BOOST_PHOENIX_ADAPT_CALLABLE(accumulate, impl::accumulate, 3)
|
||
|
|
|
||
|
|
}}
|
||
|
|
|
||
|
|
#endif
|