diff options
Diffstat (limited to 'boost/fusion/sequence/comparison/detail/less.hpp')
-rw-r--r-- | boost/fusion/sequence/comparison/detail/less.hpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/boost/fusion/sequence/comparison/detail/less.hpp b/boost/fusion/sequence/comparison/detail/less.hpp index 4957d7bfa8..1342bb1427 100644 --- a/boost/fusion/sequence/comparison/detail/less.hpp +++ b/boost/fusion/sequence/comparison/detail/less.hpp @@ -12,6 +12,7 @@ #include <boost/fusion/iterator/deref.hpp> #include <boost/fusion/iterator/next.hpp> #include <boost/fusion/iterator/equal_to.hpp> +#include <boost/fusion/support/as_const.hpp> namespace boost { namespace fusion { namespace detail { @@ -32,8 +33,9 @@ namespace boost { namespace fusion { namespace detail static bool call(I1 const& a, I2 const& b, mpl::false_) { - return *a < *b || - (!(*b < *a) && call(fusion::next(a), fusion::next(b))); + return extension::as_const(*a) < extension::as_const(*b) || + (!(extension::as_const(*b) < extension::as_const(*a)) && + call(fusion::next(a), fusion::next(b))); } template <typename I1, typename I2> |