add Enabler template argument to range_iterator, range_const_iterator and range_mutable_iterator extension points.

2014-06-04 12:23:40 +01:00
parent 698a083e65
commit 60025220f5
6 changed files with 194 additions and 30 deletions
--- a/include/boost/range/const_iterator.hpp
+++ b/include/boost/range/const_iterator.hpp
@ -62,7 +62,7 @@ struct range_const_iterator< T[sz] >

    } // namespace range_detail

-template<typename C>
+template<typename C, typename Enabler=void>
 struct range_const_iterator
        : range_detail::range_const_iterator<
            BOOST_DEDUCED_TYPENAME remove_reference<C>::type