34 class partial_ordering;  variable
45 …template<class _Tp, class = enable_if_t<!__one_of_v<_Tp, int, partial_ordering, weak_ordering, str…
49 class partial_ordering {
53   explicit constexpr partial_ordering(_OrdResult __v) noexcept  in partial_ordering()  function
57   explicit constexpr partial_ordering(_NCmpResult __v) noexcept  in partial_ordering()  function
66   static const partial_ordering less;
67   static const partial_ordering equivalent;
68   static const partial_ordering greater;
69   static const partial_ordering unordered;
73   friend constexpr bool operator==(partial_ordering, partial_ordering) noexcept = default;
76   friend constexpr bool operator==(partial_ordering __v, _CmpUnspecifiedParam) noexcept {
81   friend constexpr bool operator< (partial_ordering __v, _CmpUnspecifiedParam) noexcept {
86   friend constexpr bool operator<=(partial_ordering __v, _CmpUnspecifiedParam) noexcept  {
91   friend constexpr bool operator> (partial_ordering __v, _CmpUnspecifiedParam) noexcept  {
96   friend constexpr bool operator>=(partial_ordering __v, _CmpUnspecifiedParam) noexcept  {
101   friend constexpr bool operator< (_CmpUnspecifiedParam, partial_ordering __v) noexcept  {
106   friend constexpr bool operator<=(_CmpUnspecifiedParam, partial_ordering __v) noexcept  {
111   friend constexpr bool operator> (_CmpUnspecifiedParam, partial_ordering __v) noexcept  {
116   friend constexpr bool operator>=(_CmpUnspecifiedParam, partial_ordering __v) noexcept  {
121 …friend constexpr partial_ordering operator<=>(partial_ordering __v, _CmpUnspecifiedParam) noexcept…
126 …friend constexpr partial_ordering operator<=>(_CmpUnspecifiedParam, partial_ordering __v) noexcept…
127     return __v < 0 ? partial_ordering::greater : (__v > 0 ? partial_ordering::less : __v);
133 inline constexpr partial_ordering partial_ordering::less(_OrdResult::__less);
134 inline constexpr partial_ordering partial_ordering::equivalent(_OrdResult::__equiv);
135 inline constexpr partial_ordering partial_ordering::greater(_OrdResult::__greater);
136 inline constexpr partial_ordering partial_ordering::unordered(_NCmpResult ::__unordered);
150   constexpr operator partial_ordering() const noexcept {  in partial_ordering()  function
151     return __value_ == 0 ? partial_ordering::equivalent  in partial_ordering()
152         : (__value_ < 0 ? partial_ordering::less : partial_ordering::greater);  in partial_ordering()
236   constexpr operator partial_ordering() const noexcept {  in partial_ordering()  function
237     return __value_ == 0 ? partial_ordering::equivalent  in partial_ordering()
238         : (__value_ < 0 ? partial_ordering::less : partial_ordering::greater);  in partial_ordering()