| 1 | /*============================================================================= |
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| 2 | Copyright (c) 2003 Joel de Guzman |
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| 3 | Copyright (c) 2004 Peder Holt |
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| 4 | Copyright (c) 2005 Eric Niebler |
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| 5 | |
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| 6 | Use, modification and distribution is subject to the Boost Software |
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| 7 | License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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| 8 | http://www.boost.org/LICENSE_1_0.txt) |
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| 9 | ==============================================================================*/ |
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| 10 | #if !defined(FUSION_ALGORITHM_ANY_HPP) |
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| 11 | #define FUSION_ALGORITHM_ANY_HPP |
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| 12 | |
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| 13 | #include <boost/spirit/fusion/sequence/begin.hpp> |
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| 14 | #include <boost/spirit/fusion/sequence/end.hpp> |
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| 15 | #include <boost/spirit/fusion/iterator/equal_to.hpp> |
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| 16 | #include <boost/spirit/fusion/algorithm/detail/any.ipp> |
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| 17 | |
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| 18 | namespace boost { namespace fusion |
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| 19 | { |
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| 20 | namespace meta |
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| 21 | { |
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| 22 | template <typename Sequence, typename F> |
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| 23 | struct any |
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| 24 | { |
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| 25 | typedef bool type; |
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| 26 | }; |
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| 27 | } |
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| 28 | |
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| 29 | namespace function |
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| 30 | { |
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| 31 | struct any |
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| 32 | { |
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| 33 | template <typename Sequence, typename F> |
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| 34 | struct apply |
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| 35 | { |
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| 36 | typedef bool type; |
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| 37 | }; |
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| 38 | |
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| 39 | template <typename Sequence, typename F> |
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| 40 | inline bool |
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| 41 | operator()(Sequence const& seq, F const& f) const |
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| 42 | { |
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| 43 | return detail::any( |
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| 44 | fusion::begin(seq) |
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| 45 | , fusion::end(seq) |
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| 46 | , f |
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| 47 | , meta::equal_to< |
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| 48 | BOOST_DEDUCED_TYPENAME meta::begin<Sequence>::type |
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| 49 | , BOOST_DEDUCED_TYPENAME meta::end<Sequence>::type>()); |
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| 50 | } |
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| 51 | |
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| 52 | template <typename Sequence, typename F> |
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| 53 | inline bool |
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| 54 | operator()(Sequence& seq, F const& f) const |
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| 55 | { |
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| 56 | return detail::any( |
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| 57 | fusion::begin(seq) |
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| 58 | , fusion::end(seq) |
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| 59 | , f |
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| 60 | , meta::equal_to< |
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| 61 | BOOST_DEDUCED_TYPENAME meta::begin<Sequence>::type |
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| 62 | , BOOST_DEDUCED_TYPENAME meta::end<Sequence>::type>()); |
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| 63 | } |
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| 64 | }; |
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| 65 | } |
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| 66 | |
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| 67 | function::any const any = function::any(); |
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| 68 | }} |
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| 69 | |
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| 70 | #endif |
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| 71 | |
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