20 namespace bh = boost::hana;
46             bh::tuple<ref<term<double> &>, term<int>>>;  in test_main()
73                 bh::tuple<ref<term<double> const &>, term<int>>>;  in test_main()
101                 bh::tuple<ref<term<double> &>, term<int>>>;  in test_main()
106                 bh::tuple<ref<plus_expr_type &>, term<int>>>;  in test_main()
111                     bh::front(plus_plus_expr.elements);  in test_main()
120                     bh::front(plus_plus_expr.elements);  in test_main()
129                     bh::front(plus_plus_expr.elements);  in test_main()
140                 bh::tuple<ref<term<double> &>, term<int>>>;  in test_main()
145                 bh::tuple<ref<plus_expr_type const &>, term<int>>>;  in test_main()
150                     bh::front(plus_plus_expr.elements);  in test_main()
159                     bh::front(plus_plus_expr.elements);  in test_main()
168                     bh::front(plus_plus_expr.elements);  in test_main()
180             bh::tuple<user_ref<user_term<double> &>, user_term<int>>>;  in test_main()
207                 bh::tuple<user_ref<user_term<double> const &>, user_term<int>>>;  in test_main()
236                 bh::tuple<user_ref<user_term<double> &>, user_term<int>>>;  in test_main()
241                 bh::tuple<user_ref<plus_expr_type &>, user_term<int>>>;  in test_main()
247                     bh::front(plus_plus_expr.elements);  in test_main()
257                     bh::front(plus_plus_expr.elements);  in test_main()
267                     bh::front(plus_plus_expr.elements);  in test_main()
278                 bh::tuple<user_ref<user_term<double> &>, user_term<int>>>;  in test_main()
283                 bh::tuple<user_ref<plus_expr_type const &>, user_term<int>>>;  in test_main()
289                     bh::front(plus_plus_expr.elements);  in test_main()
299                     bh::front(plus_plus_expr.elements);  in test_main()
309                     bh::front(plus_plus_expr.elements);  in test_main()