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Diffstat (limited to 'boost/fusion/view/zip_view/detail/distance_impl.hpp')
-rw-r--r--boost/fusion/view/zip_view/detail/distance_impl.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/boost/fusion/view/zip_view/detail/distance_impl.hpp b/boost/fusion/view/zip_view/detail/distance_impl.hpp
index 8beaccca44..f306e1b4a3 100644
--- a/boost/fusion/view/zip_view/detail/distance_impl.hpp
+++ b/boost/fusion/view/zip_view/detail/distance_impl.hpp
@@ -70,7 +70,7 @@ namespace boost { namespace fusion {
struct apply
: detail::zip_view_iterator_distance<It1, It2>::type
{
- BOOST_FUSION_GPU_ENABLED
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
static typename detail::zip_view_iterator_distance<It1, It2>::type
call(It1 const& /*it1*/, It2 const& /*it2*/)
{