Update of /cvsroot/boost/boost/boost/fusion/sequence/view/zip_view
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv25707
Modified Files:
zip_view.hpp
Log Message:
support for sequences weaker than Forward Sequence
Index: zip_view.hpp
===================================================================
RCS file:
/cvsroot/boost/boost/boost/fusion/sequence/view/zip_view/zip_view.hpp,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -d -r1.5 -r1.6
--- zip_view.hpp 6 Mar 2007 21:37:26 -0000 1.5
+++ zip_view.hpp 19 Mar 2007 18:13:24 -0000 1.6
@@ -47,10 +47,21 @@
struct seq_ref_size
{
- template<typename Seq>
+ template<typename Seq,
+ typename SeqClass = typename remove_reference<Seq>::type,
+ bool HasSize = traits::is_forward<SeqClass>::value
+ >
struct result
- : result_of::size<typename remove_reference<Seq>::type>
+ : result_of::size<SeqClass>
{};
+
+ static int const int_max = static_cast<int>(
+ static_cast<unsigned>(~0) >> 1);
+
+ template<typename Seq, typename SeqClass>
+ struct result<Seq, SeqClass, false>
+ : mpl::int_<int_max>
+ {};
};
struct poly_min
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