1/*=============================================================================
2 Copyright (c) 2011 Eric Niebler
3
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6==============================================================================*/
7#if !defined(BOOST_FUSION_FIND_IF_FWD_HPP_INCLUDED)
8#define BOOST_FUSION_FIND_IF_FWD_HPP_INCLUDED
9
10#include <boost/fusion/support/config.hpp>
11#include <boost/utility/enable_if.hpp>
12#include <boost/type_traits/is_const.hpp>
13
14// Forward declaration of find_if algorithm
15namespace boost { namespace fusion
16{
17 namespace result_of
18 {
19 template <typename Sequence, typename Pred>
20 struct find_if;
21 }
22
23 template <typename Pred, typename Sequence>
24 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
25 inline typename
26 lazy_disable_if<
27 is_const<Sequence>
28 , result_of::find_if<Sequence, Pred>
29 >::type
30 find_if(Sequence& seq);
31
32 template <typename Pred, typename Sequence>
33 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
34 inline typename result_of::find_if<Sequence const, Pred>::type const
35 find_if(Sequence const& seq);
36}}
37
38#endif
39

source code of boost/boost/fusion/algorithm/query/find_if_fwd.hpp