@@ -67,7 +67,7 @@ class any {
6767 };
6868 static constexpr as_thunk unthunk = as_thunk{};
6969
70− using map = std::unordered_map<map_key_t, const any, map_key_t::hasher, map_key_t::equal>;
70+ using map = std::unordered_map<const map_key_t, const any, map_key_t::hasher, map_key_t::equal>;
7171 using vector = std::vector<any>;
7272 using fn = std::function<any(const any&)>;
7373 using eff_fn = std::function<any()>;