forked from boostorg/fusion
42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
|
/*=============================================================================
|
||
|
|
Copyright (c) 2001-2006 Joel de Guzman
|
||
|
|
Copyright (c) 2005 Eric Niebler
|
||
|
|
|
||
|
|
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)
|
||
|
|
==============================================================================*/
|
||
|
|
#if !defined(FUSION_ANY_05052005_1229)
|
||
|
|
#define FUSION_ANY_05052005_1229
|
||
|
|
|
||
|
|
#include <boost/mpl/bool.hpp>
|
||
|
|
#include <boost/fusion/iterator/equal_to.hpp>
|
||
|
|
#include <boost/fusion/iterator/next.hpp>
|
||
|
|
#include <boost/fusion/iterator/deref.hpp>
|
||
|
|
|
||
|
|
namespace boost { namespace fusion { namespace detail
|
||
|
|
{
|
||
|
|
template <typename First, typename Last, typename F>
|
||
|
|
inline bool
|
||
|
|
any(First const&, Last const&, F const&, mpl::true_)
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename First, typename Last, typename F>
|
||
|
|
inline bool
|
||
|
|
any(First const& first, Last const& last, F& f, mpl::false_)
|
||
|
|
{
|
||
|
|
typename result_of::deref<First>::type x = *first;
|
||
|
|
return f(x) ||
|
||
|
|
detail::any(
|
||
|
|
fusion::next(first)
|
||
|
|
, last
|
||
|
|
, f
|
||
|
|
, result_of::equal_to<typename result_of::next<First>::type, Last>());
|
||
|
|
}
|
||
|
|
}}}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|