11 // <variant>
15 // operator==(variant<Types...> const&, variant<Types...> const&) noexcept;
19 // operator!=(variant<Types...> const&, variant<Types...> const&) noexcept;
23 // operator<(variant<Types...> const&, variant<Types...> const&) noexcept;
27 // operator>(variant<Types...> const&, variant<Types...> const&) noexcept;
31 // operator<=(variant<Types...> const&, variant<Types...> const&) noexcept;
35 // operator>=(variant<Types...> const&, variant<Types...> const&) noexcept;
40 #include <variant>
75 template <class Variant> void makeEmpty(Variant &v) {  in makeEmpty()
76   Variant v2(std::in_place_type<MakeEmptyT>);  in makeEmpty()
117     using V = std::variant<T1, T2>;  in test_equality_basic()
126     using V = std::variant<T1, T2>;  in test_equality_basic()
135     using V = std::variant<T1, T2>;  in test_equality_basic()
144     using V = std::variant<T1, T2>;  in test_equality_basic()
161     using V = std::variant<int, MakeEmptyT>;  in test_equality()
171     using V = std::variant<int, MakeEmptyT>;  in test_equality()
181     using V = std::variant<int, MakeEmptyT>;  in test_equality()
209     using V = std::variant<T1, T2>;  in test_relational_basic()
215     using V = std::variant<T1, T2>;  in test_relational_basic()
221     using V = std::variant<T1, T2>;  in test_relational_basic()
227     using V = std::variant<T1, T2>;  in test_relational_basic()
233     using V = std::variant<T1, T2>;  in test_relational_basic()
247     using V = std::variant<int, MakeEmptyT>;  in test_relational()
254     using V = std::variant<int, MakeEmptyT>;  in test_relational()
261     using V = std::variant<int, MakeEmptyT>;  in test_relational()