119 class weak_ordering {
121   explicit constexpr weak_ordering(_EqResult __v) noexcept : __value_(_ValueT(__v)) {}  in weak_ordering()  function
122   explicit constexpr weak_ordering(_OrdResult __v) noexcept : __value_(_ValueT(__v)) {}  in weak_ordering()  function
125   static const weak_ordering less;
126   static const weak_ordering equivalent;
127   static const weak_ordering greater;
136   friend constexpr bool operator==(weak_ordering __v, _CmpUnspecifiedParam) noexcept;
137   friend constexpr bool operator!=(weak_ordering __v, _CmpUnspecifiedParam) noexcept;
138   friend constexpr bool operator<(weak_ordering __v, _CmpUnspecifiedParam) noexcept;
139   friend constexpr bool operator<=(weak_ordering __v, _CmpUnspecifiedParam) noexcept;
140   friend constexpr bool operator>(weak_ordering __v, _CmpUnspecifiedParam) noexcept;
141   friend constexpr bool operator>=(weak_ordering __v, _CmpUnspecifiedParam) noexcept;
142   friend constexpr bool operator==(_CmpUnspecifiedParam, weak_ordering __v) noexcept;
143   friend constexpr bool operator!=(_CmpUnspecifiedParam, weak_ordering __v) noexcept;
144   friend constexpr bool operator<(_CmpUnspecifiedParam, weak_ordering __v) noexcept;
145   friend constexpr bool operator<=(_CmpUnspecifiedParam, weak_ordering __v) noexcept;
146   friend constexpr bool operator>(_CmpUnspecifiedParam, weak_ordering __v) noexcept;
147   friend constexpr bool operator>=(_CmpUnspecifiedParam, weak_ordering __v) noexcept;
149   friend constexpr weak_ordering operator<=>(weak_ordering __v, _CmpUnspecifiedParam) noexcept;
150   friend constexpr weak_ordering operator<=>(_CmpUnspecifiedParam, weak_ordering __v) noexcept;
153   constexpr bool test_eq(weak_ordering const &other) const noexcept {  in test_eq()
161 inline constexpr weak_ordering weak_ordering::less(_OrdResult::__less);
162 inline constexpr weak_ordering weak_ordering::equivalent(_EqResult::__equiv);
163 inline constexpr weak_ordering weak_ordering::greater(_OrdResult::__greater);
164 constexpr bool operator==(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
167 constexpr bool operator!=(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
170 constexpr bool operator<(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
173 constexpr bool operator<=(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
176 constexpr bool operator>(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
179 constexpr bool operator>=(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
182 constexpr bool operator==(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
185 constexpr bool operator!=(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
188 constexpr bool operator<(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
191 constexpr bool operator<=(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
194 constexpr bool operator>(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
197 constexpr bool operator>=(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
201 constexpr weak_ordering operator<=>(weak_ordering __v, _CmpUnspecifiedParam) noexcept {
204 constexpr weak_ordering operator<=>(_CmpUnspecifiedParam, weak_ordering __v) noexcept {
205   return __v < 0 ? weak_ordering::greater : (__v > 0 ? weak_ordering::less : __v);
224   constexpr operator weak_ordering() const noexcept {  in weak_ordering()  function
225     return __value_ == 0 ? weak_ordering::equivalent  in weak_ordering()
226                          : (__value_ < 0 ? weak_ordering::less : weak_ordering::greater);  in weak_ordering()