summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to '3rdParty/Boost/src/boost/fusion/iterator/deref.hpp')
-rw-r--r--3rdParty/Boost/src/boost/fusion/iterator/deref.hpp72
1 files changed, 72 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/iterator/deref.hpp b/3rdParty/Boost/src/boost/fusion/iterator/deref.hpp
new file mode 100644
index 0000000..5b01e65
--- /dev/null
+++ b/3rdParty/Boost/src/boost/fusion/iterator/deref.hpp
@@ -0,0 +1,72 @@
+/*=============================================================================
+ Copyright (c) 2001-2011 Joel de Guzman
+
+ 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)
+==============================================================================*/
+#if !defined(FUSION_DEREF_05042005_1019)
+#define FUSION_DEREF_05042005_1019
+
+#include <boost/fusion/support/iterator_base.hpp>
+#include <boost/fusion/support/tag_of.hpp>
+
+namespace boost { namespace fusion
+{
+ // Special tags:
+ struct iterator_facade_tag; // iterator facade tag
+ struct boost_array_iterator_tag; // boost::array iterator tag
+ struct mpl_iterator_tag; // mpl sequence iterator tag
+ struct std_pair_iterator_tag; // std::pair iterator tag
+
+ namespace extension
+ {
+ template <typename Tag>
+ struct deref_impl
+ {
+ template <typename Iterator>
+ struct apply {};
+ };
+
+ template <>
+ struct deref_impl<iterator_facade_tag>
+ {
+ template <typename Iterator>
+ struct apply : Iterator::template deref<Iterator> {};
+ };
+
+ template <>
+ struct deref_impl<boost_array_iterator_tag>;
+
+ template <>
+ struct deref_impl<mpl_iterator_tag>;
+
+ template <>
+ struct deref_impl<std_pair_iterator_tag>;
+ }
+
+ namespace result_of
+ {
+ template <typename Iterator>
+ struct deref
+ : extension::deref_impl<typename detail::tag_of<Iterator>::type>::
+ template apply<Iterator>
+ {};
+ }
+
+ template <typename Iterator>
+ typename result_of::deref<Iterator>::type
+ deref(Iterator const& i)
+ {
+ typedef result_of::deref<Iterator> deref_meta;
+ return deref_meta::call(i);
+ }
+
+ template <typename Iterator>
+ typename result_of::deref<Iterator>::type
+ operator*(iterator_base<Iterator> const& i)
+ {
+ return fusion::deref(i.cast());
+ }
+}}
+
+#endif