mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-19 19:31:54 +03:00
124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
|
|
#ifndef BOOST_MPL_FOR_EACH_HPP_INCLUDED
|
|
#define BOOST_MPL_FOR_EACH_HPP_INCLUDED
|
|
|
|
// Copyright Aleksey Gurtovoy 2000-2008
|
|
//
|
|
// 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.
|
|
|
|
// $Id$
|
|
// $Date$
|
|
// $Revision$
|
|
|
|
#include <boost/mpl/is_sequence.hpp>
|
|
#include <boost/mpl/begin_end.hpp>
|
|
#include <boost/mpl/apply.hpp>
|
|
#include <boost/mpl/bool.hpp>
|
|
#include <boost/mpl/next_prior.hpp>
|
|
#include <boost/mpl/deref.hpp>
|
|
#include <boost/mpl/identity.hpp>
|
|
#include <boost/mpl/assert.hpp>
|
|
#include <boost/mpl/aux_/config/gpu.hpp>
|
|
#include <boost/mpl/aux_/unwrap.hpp>
|
|
|
|
#include <boost/type_traits/is_same.hpp>
|
|
#include <boost/utility/value_init.hpp>
|
|
|
|
namespace boost { namespace mpl {
|
|
|
|
namespace aux {
|
|
|
|
template< bool done = true >
|
|
struct for_each_impl
|
|
{
|
|
template<
|
|
typename Iterator
|
|
, typename LastIterator
|
|
, typename TransformFunc
|
|
, typename F
|
|
>
|
|
BOOST_MPL_CFG_GPU_ENABLED
|
|
static void execute(
|
|
Iterator*
|
|
, LastIterator*
|
|
, TransformFunc*
|
|
, F
|
|
)
|
|
{
|
|
}
|
|
};
|
|
|
|
template<>
|
|
struct for_each_impl<false>
|
|
{
|
|
template<
|
|
typename Iterator
|
|
, typename LastIterator
|
|
, typename TransformFunc
|
|
, typename F
|
|
>
|
|
BOOST_MPL_CFG_GPU_ENABLED
|
|
static void execute(
|
|
Iterator*
|
|
, LastIterator*
|
|
, TransformFunc*
|
|
, F f
|
|
)
|
|
{
|
|
typedef typename deref<Iterator>::type item;
|
|
typedef typename apply1<TransformFunc,item>::type arg;
|
|
|
|
// dwa 2002/9/10 -- make sure not to invoke undefined behavior
|
|
// when we pass arg.
|
|
value_initialized<arg> x;
|
|
aux::unwrap(f, 0)(boost::get(x));
|
|
|
|
typedef typename mpl::next<Iterator>::type iter;
|
|
for_each_impl<boost::is_same<iter,LastIterator>::value>
|
|
::execute( static_cast<iter*>(0), static_cast<LastIterator*>(0), static_cast<TransformFunc*>(0), f);
|
|
}
|
|
};
|
|
|
|
} // namespace aux
|
|
|
|
// agurt, 17/mar/02: pointer default parameters are necessary to workaround
|
|
// MSVC 6.5 function template signature's mangling bug
|
|
template<
|
|
typename Sequence
|
|
, typename TransformOp
|
|
, typename F
|
|
>
|
|
BOOST_MPL_CFG_GPU_ENABLED
|
|
inline
|
|
void for_each(F f, Sequence* = 0, TransformOp* = 0)
|
|
{
|
|
BOOST_MPL_ASSERT(( is_sequence<Sequence> ));
|
|
|
|
typedef typename begin<Sequence>::type first;
|
|
typedef typename end<Sequence>::type last;
|
|
|
|
aux::for_each_impl< boost::is_same<first,last>::value >
|
|
::execute(static_cast<first*>(0), static_cast<last*>(0), static_cast<TransformOp*>(0), f);
|
|
}
|
|
|
|
template<
|
|
typename Sequence
|
|
, typename F
|
|
>
|
|
BOOST_MPL_CFG_GPU_ENABLED
|
|
inline
|
|
void for_each(F f, Sequence* = 0)
|
|
{
|
|
// jfalcou: fully qualifying this call so it doesnt clash with phoenix::for_each
|
|
// ons ome compilers -- done on 02/28/2011
|
|
boost::mpl::for_each<Sequence, identity<> >(f);
|
|
}
|
|
|
|
}}
|
|
|
|
#endif // BOOST_MPL_FOR_EACH_HPP_INCLUDED
|