Fix unexpected overload resolution on MSVC.

2015-01-18 02:23:40 +09:00
parent af1bc25783
commit 326104a9b7
2 changed files with 6 additions and 2 deletions
--- a/include/boost/fusion/container/deque/detail/keyed_element.hpp
+++ b/include/boost/fusion/container/deque/detail/keyed_element.hpp
@ -66,7 +66,8 @@ namespace boost { namespace fusion { namespace detail

        template <typename U, typename Rst>
        BOOST_FUSION_GPU_ENABLED
-        keyed_element(keyed_element<Key, U, Rst> const& rhs)
+        keyed_element(keyed_element<Key, U, Rst> const& rhs
+          , typename enable_if<is_convertible<U, Value> >::type* = 0)
          : Rest(rhs.get_base()), value_(rhs.value_)
        {}