Merge pull request #85 from Flast/feature/no_bounds_sequence

Feature/no bounds sequence
2015-06-25 23:09:18 +08:00
parent 9c7b7754fb d29dc277e6
commit 6fe816fe89
10 changed files with 161 additions and 13 deletions
--- a/include/boost/fusion/support/category_of.hpp
+++ b/include/boost/fusion/support/category_of.hpp
@ -36,6 +36,8 @@ namespace boost { namespace fusion

    struct associative_tag {};

+    struct unbounded_tag {};
+
    namespace extension
    {
        template<typename Tag>
@ -107,6 +109,13 @@ namespace boost { namespace fusion
                random_access_traversal_tag
              , typename category_of<T>::type>
        {};
+
+        template <typename T>
+        struct is_unbounded
+            : is_base_of<
+                unbounded_tag
+              , typename category_of<T>::type>
+        {};
    }
 }}