added iterator_adapter 'Category' template parameter which defaults to Iterator_::category

[SVN r74428]
2011-09-17 03:21:13 +00:00
parent 265bdc7342
commit 0ed54e9ea3
1 changed files with 3 additions and 4 deletions
--- a/include/boost/fusion/iterator/iterator_adapter.hpp
+++ b/include/boost/fusion/iterator/iterator_adapter.hpp
@ -13,11 +13,10 @@

 namespace boost { namespace fusion
 {
-    template <typename Derived_, typename Iterator_>
+    template <typename Derived_, typename Iterator_,
+        typename Category = typename Iterator_::category>
    struct iterator_adapter
-        : iterator_facade<
-            Derived_
-          , typename Iterator_::category>
+        : iterator_facade<Derived_, Category>
    {
        typedef typename
            remove_const<Iterator_>::type