diff options
Diffstat (limited to 'boost/hana/fwd/monadic_fold_left.hpp')
| -rw-r--r-- | boost/hana/fwd/monadic_fold_left.hpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/boost/hana/fwd/monadic_fold_left.hpp b/boost/hana/fwd/monadic_fold_left.hpp index c037989dea..aa66097b3e 100644 --- a/boost/hana/fwd/monadic_fold_left.hpp +++ b/boost/hana/fwd/monadic_fold_left.hpp @@ -94,7 +94,13 @@ BOOST_HANA_NAMESPACE_BEGIN struct monadic_fold_left_impl : monadic_fold_left_impl<T, when<true>> { }; template <typename M> - struct monadic_fold_left_t; + struct monadic_fold_left_t { + template <typename Xs, typename State, typename F> + constexpr decltype(auto) operator()(Xs&& xs, State&& state, F&& f) const; + + template <typename Xs, typename F> + constexpr decltype(auto) operator()(Xs&& xs, F&& f) const; + }; template <typename M> constexpr monadic_fold_left_t<M> monadic_fold_left{}; |