comparison DEPENDENCIES/generic/include/boost/xpressive/detail/utility/any.hpp @ 16:2665513ce2d3

Add boost headers

+///////////////////////////////////////////////////////////////////////////////
+// any.hpp
+//
+//  Copyright 2008 Eric Niebler. 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)
+
+#ifndef BOOST_XPRESSIVE_DETAIL_UTILITY_ANY_HPP_EAN_11_19_2005
+#define BOOST_XPRESSIVE_DETAIL_UTILITY_ANY_HPP_EAN_11_19_2005
+
+#include <boost/version.hpp>
+
+#if BOOST_VERSION >= 103300
+
+// In Boost 1.33+, we have a cons list in Fusion, so just include it.
+
+# if BOOST_VERSION >= 103500
+#  include <boost/fusion/include/any.hpp> // Boost 1.35+ has Fusion2
+# else
+#  include <boost/spirit/fusion/algorithm/any.hpp> // Fusion1
+# endif
+
+#else
+
+# include <boost/spirit/fusion/sequence/begin.hpp>
+# include <boost/spirit/fusion/sequence/end.hpp>
+# include <boost/spirit/fusion/iterator/equal_to.hpp>
+# include <boost/mpl/bool.hpp>
+# include <boost/spirit/fusion/iterator/equal_to.hpp>
+# include <boost/spirit/fusion/iterator/next.hpp>
+# include <boost/spirit/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 const& f, mpl::false_)
+        {
+            if(f(*first))
+                return true;
+            return detail::any(fusion::next(first), last, f
+              , meta::equal_to<BOOST_DEDUCED_TYPENAME meta::next<First>::type, Last>());
+        }
+    }
+
+    namespace meta
+    {
+        template <typename Sequence, typename F>
+        struct any
+        {
+            typedef bool type;
+        };
+    }
+
+    namespace function
+    {
+        struct any
+        {
+            template <typename Sequence, typename F>
+            struct apply
+            {
+                typedef bool type;
+            };
+
+            template <typename Sequence, typename F>
+            inline bool
+            operator()(Sequence const& seq, F const& f) const
+            {
+                return detail::any(
+                        fusion::begin(seq)
+                      , fusion::end(seq)
+                      , f
+                      , meta::equal_to<
+                            BOOST_DEDUCED_TYPENAME meta::begin<Sequence>::type
+                          , BOOST_DEDUCED_TYPENAME meta::end<Sequence>::type>());
+            }
+
+            template <typename Sequence, typename F>
+            inline bool
+            operator()(Sequence& seq, F const& f) const
+            {
+                return detail::any(
+                        fusion::begin(seq)
+                      , fusion::end(seq)
+                      , f
+                      , meta::equal_to<
+                            BOOST_DEDUCED_TYPENAME meta::begin<Sequence>::type
+                          , BOOST_DEDUCED_TYPENAME meta::end<Sequence>::type>());
+            }
+        };
+    }
+
+    function::any const any = function::any();
+}}
+
+#endif
+
+#endif