29 #ifndef _GLIBCXX_TYPE_TRAITS
30 #define _GLIBCXX_TYPE_TRAITS 1
32 #pragma GCC system_header
34 #if __cplusplus < 201103L
40 namespace std _GLIBCXX_VISIBILITY(default)
42 _GLIBCXX_BEGIN_NAMESPACE_VERSION
56 template<
typename _Tp, _Tp __v>
59 static constexpr _Tp value = __v;
60 typedef _Tp value_type;
62 constexpr
operator value_type()
const noexcept {
return value; }
63 #if __cplusplus > 201103L
65 #define __cpp_lib_integral_constant_callable 201304
67 constexpr value_type operator()()
const noexcept {
return value; }
71 template<
typename _Tp, _Tp __v>
83 #if __cplusplus > 201402L
84 # define __cpp_lib_bool_constant 201505
91 template<
bool,
typename,
typename>
102 template<
typename _B1>
107 template<
typename _B1,
typename _B2>
108 struct __or_<_B1, _B2>
109 :
public conditional<_B1::value, _B1, _B2>::type
112 template<
typename _B1,
typename _B2,
typename _B3,
typename... _Bn>
113 struct __or_<_B1, _B2, _B3, _Bn...>
114 :
public conditional<_B1::value, _B1, __or_<_B2, _B3, _Bn...>>::type
117 template<
typename...>
125 template<
typename _B1>
130 template<
typename _B1,
typename _B2>
131 struct __and_<_B1, _B2>
132 :
public conditional<_B1::value, _B2, _B1>::type
135 template<
typename _B1,
typename _B2,
typename _B3,
typename... _Bn>
136 struct __and_<_B1, _B2, _B3, _Bn...>
137 :
public conditional<_B1::value, __and_<_B2, _B3, _Bn...>, _B1>::type
140 template<
typename _Pp>
142 :
public __bool_constant<!bool(_Pp::value)>
145 #if __cplusplus >= 201703L
147 #define __cpp_lib_logical_traits 201510
149 template<
typename... _Bn>
154 template<
typename... _Bn>
159 template<
typename _Pp>
164 template<
typename... _Bn>
165 inline constexpr
bool conjunction_v = conjunction<_Bn...>::value;
167 template<
typename... _Bn>
168 inline constexpr
bool disjunction_v = disjunction<_Bn...>::value;
170 template<
typename _Pp>
171 inline constexpr
bool negation_v = negation<_Pp>::value;
180 template<
typename _Tp>
181 struct __success_type
182 {
typedef _Tp type; };
184 struct __failure_type
193 struct __is_void_helper
197 struct __is_void_helper<void>
201 template<
typename _Tp>
203 :
public __is_void_helper<typename remove_cv<_Tp>::type>
::type
207 struct __is_integral_helper
211 struct __is_integral_helper<bool>
215 struct __is_integral_helper<char>
219 struct __is_integral_helper<signed char>
223 struct __is_integral_helper<unsigned char>
226 #ifdef _GLIBCXX_USE_WCHAR_T
228 struct __is_integral_helper<wchar_t>
233 struct __is_integral_helper<char16_t>
237 struct __is_integral_helper<char32_t>
241 struct __is_integral_helper<short>
245 struct __is_integral_helper<unsigned short>
249 struct __is_integral_helper<int>
253 struct __is_integral_helper<unsigned int>
257 struct __is_integral_helper<long>
261 struct __is_integral_helper<unsigned long>
265 struct __is_integral_helper<long long>
269 struct __is_integral_helper<unsigned long long>
274 #if defined(__GLIBCXX_TYPE_INT_N_0)
276 struct __is_integral_helper<__GLIBCXX_TYPE_INT_N_0>
280 struct __is_integral_helper<unsigned __GLIBCXX_TYPE_INT_N_0>
283 #if defined(__GLIBCXX_TYPE_INT_N_1)
285 struct __is_integral_helper<__GLIBCXX_TYPE_INT_N_1>
289 struct __is_integral_helper<unsigned __GLIBCXX_TYPE_INT_N_1>
292 #if defined(__GLIBCXX_TYPE_INT_N_2)
294 struct __is_integral_helper<__GLIBCXX_TYPE_INT_N_2>
298 struct __is_integral_helper<unsigned __GLIBCXX_TYPE_INT_N_2>
301 #if defined(__GLIBCXX_TYPE_INT_N_3)
303 struct __is_integral_helper<__GLIBCXX_TYPE_INT_N_3>
307 struct __is_integral_helper<unsigned __GLIBCXX_TYPE_INT_N_3>
312 template<
typename _Tp>
314 :
public __is_integral_helper<typename remove_cv<_Tp>::type>
::type
318 struct __is_floating_point_helper
322 struct __is_floating_point_helper<float>
326 struct __is_floating_point_helper<double>
330 struct __is_floating_point_helper<long double>
333 #if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_FLOAT128)
335 struct __is_floating_point_helper<__float128>
340 template<
typename _Tp>
342 :
public __is_floating_point_helper<typename remove_cv<_Tp>::type>::type
350 template<
typename _Tp, std::
size_t _Size>
354 template<
typename _Tp>
355 struct is_array<_Tp[]>
359 struct __is_pointer_helper
362 template<
typename _Tp>
363 struct __is_pointer_helper<_Tp*>
367 template<
typename _Tp>
369 :
public __is_pointer_helper<typename remove_cv<_Tp>::type>::type
377 template<
typename _Tp>
386 template<
typename _Tp>
394 struct __is_member_object_pointer_helper
397 template<
typename _Tp,
typename _Cp>
398 struct __is_member_object_pointer_helper<_Tp _Cp::*>
402 template<
typename _Tp>
404 :
public __is_member_object_pointer_helper<
405 typename remove_cv<_Tp>::type>::type
409 struct __is_member_function_pointer_helper
412 template<
typename _Tp,
typename _Cp>
413 struct __is_member_function_pointer_helper<_Tp _Cp::*>
414 :
public integral_constant<bool, is_function<_Tp>::value> { };
417 template<
typename _Tp>
419 :
public __is_member_function_pointer_helper<
420 typename remove_cv<_Tp>::type>
::type
424 template<
typename _Tp>
430 template<
typename _Tp>
436 template<
typename _Tp>
446 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
447 struct is_function<_Res(_ArgTypes...) _GLIBCXX_NOEXCEPT_QUAL>
450 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
451 struct is_function<_Res(_ArgTypes...) & _GLIBCXX_NOEXCEPT_QUAL>
454 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
455 struct is_function<_Res(_ArgTypes...) && _GLIBCXX_NOEXCEPT_QUAL>
458 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
459 struct is_function<_Res(_ArgTypes......) _GLIBCXX_NOEXCEPT_QUAL>
462 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
463 struct is_function<_Res(_ArgTypes......) & _GLIBCXX_NOEXCEPT_QUAL>
466 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
467 struct is_function<_Res(_ArgTypes......) && _GLIBCXX_NOEXCEPT_QUAL>
470 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
471 struct is_function<_Res(_ArgTypes...) const _GLIBCXX_NOEXCEPT_QUAL>
474 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
475 struct is_function<_Res(_ArgTypes...) const & _GLIBCXX_NOEXCEPT_QUAL>
478 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
479 struct is_function<_Res(_ArgTypes...) const && _GLIBCXX_NOEXCEPT_QUAL>
482 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
483 struct is_function<_Res(_ArgTypes......) const _GLIBCXX_NOEXCEPT_QUAL>
486 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
487 struct is_function<_Res(_ArgTypes......) const & _GLIBCXX_NOEXCEPT_QUAL>
490 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
491 struct is_function<_Res(_ArgTypes......) const && _GLIBCXX_NOEXCEPT_QUAL>
494 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
495 struct is_function<_Res(_ArgTypes...) volatile _GLIBCXX_NOEXCEPT_QUAL>
498 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
499 struct is_function<_Res(_ArgTypes...) volatile & _GLIBCXX_NOEXCEPT_QUAL>
502 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
503 struct is_function<_Res(_ArgTypes...) volatile && _GLIBCXX_NOEXCEPT_QUAL>
506 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
507 struct is_function<_Res(_ArgTypes......) volatile _GLIBCXX_NOEXCEPT_QUAL>
510 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
511 struct is_function<_Res(_ArgTypes......) volatile & _GLIBCXX_NOEXCEPT_QUAL>
514 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
515 struct is_function<_Res(_ArgTypes......) volatile && _GLIBCXX_NOEXCEPT_QUAL>
518 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
519 struct is_function<_Res(_ArgTypes...) const volatile _GLIBCXX_NOEXCEPT_QUAL>
522 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
523 struct is_function<_Res(_ArgTypes...) const volatile & _GLIBCXX_NOEXCEPT_QUAL>
526 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
527 struct is_function<_Res(_ArgTypes...) const volatile && _GLIBCXX_NOEXCEPT_QUAL>
530 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
531 struct is_function<_Res(_ArgTypes......) const volatile _GLIBCXX_NOEXCEPT_QUAL>
534 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
535 struct is_function<_Res(_ArgTypes......) const volatile & _GLIBCXX_NOEXCEPT_QUAL>
538 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
539 struct is_function<_Res(_ArgTypes......) const volatile && _GLIBCXX_NOEXCEPT_QUAL>
542 #define __cpp_lib_is_null_pointer 201309
545 struct __is_null_pointer_helper
549 struct __is_null_pointer_helper<std::nullptr_t>
553 template<
typename _Tp>
555 :
public __is_null_pointer_helper<typename remove_cv<_Tp>::type>::type
559 template<
typename _Tp>
567 template<
typename _Tp>
569 :
public __or_<is_lvalue_reference<_Tp>,
570 is_rvalue_reference<_Tp>>::type
574 template<
typename _Tp>
576 :
public __or_<is_integral<_Tp>, is_floating_point<_Tp>>::type
580 template<
typename _Tp>
582 :
public __or_<is_arithmetic<_Tp>, is_void<_Tp>,
583 is_null_pointer<_Tp>>::type
587 template<
typename _Tp>
589 :
public __not_<__or_<is_function<_Tp>, is_reference<_Tp>,
597 template<
typename _Tp>
599 :
public __or_<is_arithmetic<_Tp>, is_enum<_Tp>, is_pointer<_Tp>,
600 is_member_pointer<_Tp>, is_null_pointer<_Tp>>::type
604 template<
typename _Tp>
608 template<
typename _Tp>
609 struct __is_member_pointer_helper
612 template<
typename _Tp,
typename _Cp>
613 struct __is_member_pointer_helper<_Tp _Cp::*>
617 template<
typename _Tp>
618 struct is_member_pointer
619 :
public __is_member_pointer_helper<typename remove_cv<_Tp>::type>::type
624 template<
typename _Tp>
625 struct __is_referenceable
626 :
public __or_<is_object<_Tp>, is_reference<_Tp>>::type
629 template<
typename _Res,
typename... _Args _GLIBCXX_NOEXCEPT_PARM>
630 struct __is_referenceable<_Res(_Args...) _GLIBCXX_NOEXCEPT_QUAL>
634 template<
typename _Res,
typename... _Args _GLIBCXX_NOEXCEPT_PARM>
635 struct __is_referenceable<_Res(_Args......) _GLIBCXX_NOEXCEPT_QUAL>
646 template<
typename _Tp>
655 template<
typename _Tp>
660 template<
typename _Tp>
666 template<
typename _Tp>
667 struct is_trivially_copyable
672 template<
typename _Tp>
679 template<
typename _Tp>
685 template<
typename _Tp>
691 template<
typename _Tp>
697 template<
typename _Tp>
702 #if __cplusplus >= 201402L
703 #define __cpp_lib_is_final 201402L
705 template<
typename _Tp>
712 template<
typename _Tp>
717 template<
typename _Tp,
719 struct __is_signed_helper
722 template<
typename _Tp>
723 struct __is_signed_helper<_Tp, true>
724 :
public integral_constant<bool, _Tp(-1) < _Tp(0)>
728 template<typename _Tp>
730 : public __is_signed_helper<_Tp>::type
734 template<typename _Tp>
736 : public __and_<is_arithmetic<_Tp>, __not_<is_signed<_Tp>>>
747 template<typename _Tp, typename _Up = _Tp&&>
751 template<typename _Tp>
755 template<typename _Tp>
756 auto declval() noexcept -> decltype(__declval<_Tp>(0));
758 template<typename, unsigned = 0>
764 template<typename _Tp>
765 struct __is_array_known_bounds
769 template<
typename _Tp>
770 struct __is_array_unknown_bounds
771 :
public __and_<is_array<_Tp>, __not_<extent<_Tp>>>
779 struct __do_is_destructible_impl
781 template<
typename _Tp,
typename = decltype(declval<_Tp&>().~_Tp())>
788 template<
typename _Tp>
789 struct __is_destructible_impl
790 :
public __do_is_destructible_impl
792 typedef decltype(__test<_Tp>(0)) type;
795 template<typename _Tp,
796 bool = __or_<is_void<_Tp>,
797 __is_array_unknown_bounds<_Tp>,
798 is_function<_Tp>>::value,
799 bool = __or_<is_reference<_Tp>, is_scalar<_Tp>>::value>
800 struct __is_destructible_safe;
802 template<typename _Tp>
803 struct __is_destructible_safe<_Tp, false, false>
804 : public __is_destructible_impl<typename
805 remove_all_extents<_Tp>::type>::type
808 template<
typename _Tp>
809 struct __is_destructible_safe<_Tp, true, false>
812 template<
typename _Tp>
813 struct __is_destructible_safe<_Tp, false, true>
817 template<
typename _Tp>
819 :
public __is_destructible_safe<_Tp>::type
826 struct __do_is_nt_destructible_impl
828 template<
typename _Tp>
836 template<
typename _Tp>
837 struct __is_nt_destructible_impl
838 :
public __do_is_nt_destructible_impl
840 typedef decltype(__test<_Tp>(0)) type;
843 template<typename _Tp,
844 bool = __or_<is_void<_Tp>,
845 __is_array_unknown_bounds<_Tp>,
846 is_function<_Tp>>::value,
847 bool = __or_<is_reference<_Tp>, is_scalar<_Tp>>::value>
848 struct __is_nt_destructible_safe;
850 template<typename _Tp>
851 struct __is_nt_destructible_safe<_Tp, false, false>
852 : public __is_nt_destructible_impl<typename
853 remove_all_extents<_Tp>::type>::type
856 template<
typename _Tp>
857 struct __is_nt_destructible_safe<_Tp, true, false>
860 template<
typename _Tp>
861 struct __is_nt_destructible_safe<_Tp, false, true>
865 template<
typename _Tp>
867 :
public __is_nt_destructible_safe<_Tp>::type
870 struct __do_is_default_constructible_impl
872 template<
typename _Tp,
typename = decltype(_Tp())>
879 template<
typename _Tp>
880 struct __is_default_constructible_impl
881 :
public __do_is_default_constructible_impl
883 typedef decltype(__test<_Tp>(0)) type;
886 template<typename _Tp>
887 struct __is_default_constructible_atom
888 : public __and_<__not_<is_void<_Tp>>,
889 __is_default_constructible_impl<_Tp>>
892 template<typename _Tp, bool = is_array<_Tp>::value>
893 struct __is_default_constructible_safe;
900 template<
typename _Tp>
901 struct __is_default_constructible_safe<_Tp, true>
902 :
public __and_<__is_array_known_bounds<_Tp>,
903 __is_default_constructible_atom<typename
904 remove_all_extents<_Tp>::type>>
907 template<
typename _Tp>
908 struct __is_default_constructible_safe<_Tp, false>
909 :
public __is_default_constructible_atom<_Tp>::type
913 template<
typename _Tp>
915 :
public __is_default_constructible_safe<_Tp>::type
919 template<
typename _Tp,
typename... _Args>
924 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
925 struct __is_copy_constructible_impl;
927 template<
typename _Tp>
928 struct __is_copy_constructible_impl<_Tp, false>
931 template<
typename _Tp>
932 struct __is_copy_constructible_impl<_Tp, true>
933 :
public is_constructible<_Tp, const _Tp&>
937 template<
typename _Tp>
939 :
public __is_copy_constructible_impl<_Tp>
942 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
943 struct __is_move_constructible_impl;
945 template<
typename _Tp>
946 struct __is_move_constructible_impl<_Tp, false>
949 template<
typename _Tp>
950 struct __is_move_constructible_impl<_Tp, true>
951 :
public is_constructible<_Tp, _Tp&&>
955 template<
typename _Tp>
957 :
public __is_move_constructible_impl<_Tp>
960 template<
typename _Tp>
961 struct __is_nt_default_constructible_atom
965 template<typename _Tp, bool = is_array<_Tp>::value>
966 struct __is_nt_default_constructible_impl;
968 template<
typename _Tp>
969 struct __is_nt_default_constructible_impl<_Tp, true>
970 :
public __and_<__is_array_known_bounds<_Tp>,
971 __is_nt_default_constructible_atom<typename
972 remove_all_extents<_Tp>::type>>
975 template<
typename _Tp>
976 struct __is_nt_default_constructible_impl<_Tp, false>
977 :
public __is_nt_default_constructible_atom<_Tp>
981 template<
typename _Tp>
983 :
public __and_<is_default_constructible<_Tp>,
984 __is_nt_default_constructible_impl<_Tp>>
987 template<
typename _Tp,
typename... _Args>
988 struct __is_nt_constructible_impl
992 template<
typename _Tp,
typename _Arg>
993 struct __is_nt_constructible_impl<_Tp, _Arg>
994 :
public integral_constant<bool,
995 noexcept(static_cast<_Tp>(declval<_Arg>()))>
998 template<
typename _Tp>
999 struct __is_nt_constructible_impl<_Tp>
1000 :
public is_nothrow_default_constructible<_Tp>
1004 template<
typename _Tp,
typename... _Args>
1006 :
public __and_<is_constructible<_Tp, _Args...>,
1007 __is_nt_constructible_impl<_Tp, _Args...>>
1010 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1011 struct __is_nothrow_copy_constructible_impl;
1013 template<
typename _Tp>
1014 struct __is_nothrow_copy_constructible_impl<_Tp, false>
1017 template<
typename _Tp>
1018 struct __is_nothrow_copy_constructible_impl<_Tp, true>
1019 :
public is_nothrow_constructible<_Tp, const _Tp&>
1023 template<
typename _Tp>
1025 :
public __is_nothrow_copy_constructible_impl<_Tp>
1028 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1029 struct __is_nothrow_move_constructible_impl;
1031 template<
typename _Tp>
1032 struct __is_nothrow_move_constructible_impl<_Tp, false>
1035 template<
typename _Tp>
1036 struct __is_nothrow_move_constructible_impl<_Tp, true>
1037 :
public is_nothrow_constructible<_Tp, _Tp&&>
1041 template<
typename _Tp>
1043 :
public __is_nothrow_move_constructible_impl<_Tp>
1047 template<
typename _Tp,
typename _Up>
1052 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1053 struct __is_copy_assignable_impl;
1055 template<
typename _Tp>
1056 struct __is_copy_assignable_impl<_Tp, false>
1059 template<
typename _Tp>
1060 struct __is_copy_assignable_impl<_Tp, true>
1061 :
public is_assignable<_Tp&, const _Tp&>
1065 template<
typename _Tp>
1067 :
public __is_copy_assignable_impl<_Tp>
1070 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1071 struct __is_move_assignable_impl;
1073 template<
typename _Tp>
1074 struct __is_move_assignable_impl<_Tp, false>
1077 template<
typename _Tp>
1078 struct __is_move_assignable_impl<_Tp, true>
1079 :
public is_assignable<_Tp&, _Tp&&>
1083 template<
typename _Tp>
1085 :
public __is_move_assignable_impl<_Tp>
1088 template<
typename _Tp,
typename _Up>
1089 struct __is_nt_assignable_impl
1094 template<
typename _Tp,
typename _Up>
1096 :
public __and_<is_assignable<_Tp, _Up>,
1097 __is_nt_assignable_impl<_Tp, _Up>>
1100 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1101 struct __is_nt_copy_assignable_impl;
1103 template<
typename _Tp>
1104 struct __is_nt_copy_assignable_impl<_Tp, false>
1107 template<
typename _Tp>
1108 struct __is_nt_copy_assignable_impl<_Tp, true>
1109 :
public is_nothrow_assignable<_Tp&, const _Tp&>
1113 template<
typename _Tp>
1115 :
public __is_nt_copy_assignable_impl<_Tp>
1118 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1119 struct __is_nt_move_assignable_impl;
1121 template<
typename _Tp>
1122 struct __is_nt_move_assignable_impl<_Tp, false>
1125 template<
typename _Tp>
1126 struct __is_nt_move_assignable_impl<_Tp, true>
1127 :
public is_nothrow_assignable<_Tp&, _Tp&&>
1131 template<
typename _Tp>
1133 :
public __is_nt_move_assignable_impl<_Tp>
1137 template<
typename _Tp,
typename... _Args>
1143 template<
typename _Tp>
1148 struct __do_is_implicitly_default_constructible_impl
1150 template <
typename _Tp>
1151 static void __helper(
const _Tp&);
1153 template <
typename _Tp>
1155 decltype(__helper<const _Tp&>({}))* = 0);
1160 template<
typename _Tp>
1161 struct __is_implicitly_default_constructible_impl
1162 :
public __do_is_implicitly_default_constructible_impl
1164 typedef decltype(__test(declval<_Tp>())) type;
1167 template<typename _Tp>
1168 struct __is_implicitly_default_constructible_safe
1169 : public __is_implicitly_default_constructible_impl<_Tp>::type
1172 template <
typename _Tp>
1173 struct __is_implicitly_default_constructible
1174 :
public __and_<is_default_constructible<_Tp>,
1175 __is_implicitly_default_constructible_safe<_Tp>>
1180 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1183 template<
typename _Tp>
1187 template<
typename _Tp>
1189 :
public __and_<is_copy_constructible<_Tp>,
1190 integral_constant<bool,
1191 __is_trivially_constructible(_Tp, const _Tp&)>>
1194 template<
typename _Tp>
1195 struct is_trivially_copy_constructible
1196 :
public __is_trivially_copy_constructible_impl<_Tp>
1201 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1204 template<
typename _Tp>
1208 template<
typename _Tp>
1210 :
public __and_<is_move_constructible<_Tp>,
1211 integral_constant<bool,
1212 __is_trivially_constructible(_Tp, _Tp&&)>>
1215 template<
typename _Tp>
1216 struct is_trivially_move_constructible
1217 :
public __is_trivially_move_constructible_impl<_Tp>
1221 template<
typename _Tp,
typename _Up>
1228 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1231 template<
typename _Tp>
1235 template<
typename _Tp>
1237 :
public __and_<is_copy_assignable<_Tp>,
1238 integral_constant<bool,
1239 __is_trivially_assignable(_Tp&, const _Tp&)>>
1242 template<
typename _Tp>
1243 struct is_trivially_copy_assignable
1244 :
public __is_trivially_copy_assignable_impl<_Tp>
1249 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1252 template<
typename _Tp>
1256 template<
typename _Tp>
1258 :
public __and_<is_move_assignable<_Tp>,
1259 integral_constant<bool,
1260 __is_trivially_assignable(_Tp&, _Tp&&)>>
1263 template<
typename _Tp>
1264 struct is_trivially_move_assignable
1265 :
public __is_trivially_move_assignable_impl<_Tp>
1269 template<
typename _Tp>
1271 :
public __and_<is_destructible<_Tp>, integral_constant<bool,
1272 __has_trivial_destructor(_Tp)>>
1277 template<
typename _Tp>
1286 template<
typename _Tp>
1295 template<
typename _Tp, std::
size_t _Size>
1296 struct rank<_Tp[_Size]>
1299 template<
typename _Tp>
1301 :
public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
1304 template<
typename,
unsigned _U
int>
1306 :
public integral_constant<std::size_t, 0> { };
1308 template<
typename _Tp,
unsigned _U
int, std::
size_t _Size>
1309 struct extent<_Tp[_Size], _Uint>
1310 :
public integral_constant<std::size_t,
1311 _Uint == 0 ? _Size : extent<_Tp,
1315 template<
typename _Tp,
unsigned _U
int>
1316 struct extent<_Tp[], _Uint>
1317 :
public integral_constant<std::size_t,
1318 _Uint == 0 ? 0 : extent<_Tp,
1326 template<
typename,
typename>
1330 template<
typename _Tp>
1335 template<
typename _Base,
typename _Derived>
1340 template<
typename _From,
typename _To,
1343 struct __is_convertible_helper
1346 template<
typename _From,
typename _To>
1347 class __is_convertible_helper<_From, _To, false>
1349 template<
typename _To1>
1350 static void __test_aux(_To1);
1352 template<
typename _From1,
typename _To1,
1353 typename = decltype(__test_aux<_To1>(std::declval<_From1>()))>
1357 template<
typename,
typename>
1362 typedef decltype(__test<_From, _To>(0)) type;
1367 template<typename _From, typename _To>
1369 : public __is_convertible_helper<_From, _To>::type
1376 template<
typename _Tp>
1378 {
typedef _Tp type; };
1380 template<
typename _Tp>
1382 {
typedef _Tp type; };
1385 template<
typename _Tp>
1387 {
typedef _Tp type; };
1389 template<
typename _Tp>
1391 {
typedef _Tp type; };
1394 template<
typename _Tp>
1398 remove_const<typename remove_volatile<_Tp>::type>::type type;
1402 template<
typename _Tp>
1404 {
typedef _Tp
const type; };
1407 template<
typename _Tp>
1409 {
typedef _Tp
volatile type; };
1412 template<
typename _Tp>
1419 #if __cplusplus > 201103L
1421 #define __cpp_lib_transformation_trait_aliases 201304
1424 template<
typename _Tp>
1428 template<
typename _Tp>
1432 template<
typename _Tp>
1436 template<
typename _Tp>
1440 template<
typename _Tp>
1444 template<
typename _Tp>
1451 template<
typename _Tp>
1453 {
typedef _Tp type; };
1455 template<
typename _Tp>
1457 {
typedef _Tp type; };
1459 template<
typename _Tp>
1460 struct remove_reference<_Tp&&>
1461 {
typedef _Tp type; };
1463 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1464 struct __add_lvalue_reference_helper
1465 {
typedef _Tp type; };
1467 template<
typename _Tp>
1468 struct __add_lvalue_reference_helper<_Tp, true>
1469 {
typedef _Tp& type; };
1472 template<
typename _Tp>
1474 :
public __add_lvalue_reference_helper<_Tp>
1477 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1478 struct __add_rvalue_reference_helper
1479 {
typedef _Tp type; };
1481 template<
typename _Tp>
1482 struct __add_rvalue_reference_helper<_Tp, true>
1483 {
typedef _Tp&& type; };
1486 template<
typename _Tp>
1488 :
public __add_rvalue_reference_helper<_Tp>
1491 #if __cplusplus > 201103L
1493 template<
typename _Tp>
1497 template<
typename _Tp>
1501 template<
typename _Tp>
1508 template<
typename _Unqualified,
bool _IsConst,
bool _IsVol>
1509 struct __cv_selector;
1511 template<
typename _Unqualified>
1512 struct __cv_selector<_Unqualified, false, false>
1513 {
typedef _Unqualified __type; };
1515 template<
typename _Unqualified>
1516 struct __cv_selector<_Unqualified, false, true>
1517 {
typedef volatile _Unqualified __type; };
1519 template<
typename _Unqualified>
1520 struct __cv_selector<_Unqualified, true, false>
1521 {
typedef const _Unqualified __type; };
1523 template<
typename _Unqualified>
1524 struct __cv_selector<_Unqualified, true, true>
1525 {
typedef const volatile _Unqualified __type; };
1527 template<
typename _Qualified,
typename _Unqualified,
1528 bool _IsConst = is_const<_Qualified>::value,
1529 bool _IsVol = is_volatile<_Qualified>::value>
1530 class __match_cv_qualifiers
1532 typedef __cv_selector<_Unqualified, _IsConst, _IsVol> __match;
1535 typedef typename __match::__type __type;
1539 template<
typename _Tp>
1540 struct __make_unsigned
1541 {
typedef _Tp __type; };
1544 struct __make_unsigned<char>
1545 {
typedef unsigned char __type; };
1548 struct __make_unsigned<signed char>
1549 {
typedef unsigned char __type; };
1552 struct __make_unsigned<short>
1553 {
typedef unsigned short __type; };
1556 struct __make_unsigned<int>
1557 {
typedef unsigned int __type; };
1560 struct __make_unsigned<long>
1561 {
typedef unsigned long __type; };
1564 struct __make_unsigned<long long>
1565 {
typedef unsigned long long __type; };
1567 #if defined(__GLIBCXX_TYPE_INT_N_0)
1569 struct __make_unsigned<__GLIBCXX_TYPE_INT_N_0>
1570 {
typedef unsigned __GLIBCXX_TYPE_INT_N_0 __type; };
1572 #if defined(__GLIBCXX_TYPE_INT_N_1)
1574 struct __make_unsigned<__GLIBCXX_TYPE_INT_N_1>
1575 {
typedef unsigned __GLIBCXX_TYPE_INT_N_1 __type; };
1577 #if defined(__GLIBCXX_TYPE_INT_N_2)
1579 struct __make_unsigned<__GLIBCXX_TYPE_INT_N_2>
1580 {
typedef unsigned __GLIBCXX_TYPE_INT_N_2 __type; };
1582 #if defined(__GLIBCXX_TYPE_INT_N_3)
1584 struct __make_unsigned<__GLIBCXX_TYPE_INT_N_3>
1585 {
typedef unsigned __GLIBCXX_TYPE_INT_N_3 __type; };
1589 template<
typename _Tp,
1590 bool _IsInt = is_integral<_Tp>::value,
1591 bool _IsEnum = is_enum<_Tp>::value>
1592 class __make_unsigned_selector;
1594 template<
typename _Tp>
1595 class __make_unsigned_selector<_Tp, true, false>
1597 typedef __make_unsigned<typename remove_cv<_Tp>::type> __unsignedt;
1598 typedef typename __unsignedt::__type __unsigned_type;
1599 typedef __match_cv_qualifiers<_Tp, __unsigned_type> __cv_unsigned;
1602 typedef typename __cv_unsigned::__type __type;
1605 template<
typename _Tp>
1606 class __make_unsigned_selector<_Tp, false, true>
1609 typedef unsigned char __smallest;
1610 static const bool __b0 =
sizeof(_Tp) <=
sizeof(__smallest);
1611 static const bool __b1 =
sizeof(_Tp) <=
sizeof(
unsigned short);
1612 static const bool __b2 =
sizeof(_Tp) <=
sizeof(
unsigned int);
1613 static const bool __b3 =
sizeof(_Tp) <=
sizeof(
unsigned long);
1614 typedef conditional<__b3, unsigned long, unsigned long long> __cond3;
1615 typedef typename __cond3::type __cond3_type;
1616 typedef conditional<__b2, unsigned int, __cond3_type> __cond2;
1617 typedef typename __cond2::type __cond2_type;
1618 typedef conditional<__b1, unsigned short, __cond2_type> __cond1;
1619 typedef typename __cond1::type __cond1_type;
1621 typedef typename conditional<__b0, __smallest, __cond1_type>::type
1623 typedef __match_cv_qualifiers<_Tp, __unsigned_type> __cv_unsigned;
1626 typedef typename __cv_unsigned::__type __type;
1633 template<
typename _Tp>
1635 {
typedef typename __make_unsigned_selector<_Tp>::__type type; };
1643 template<
typename _Tp>
1644 struct __make_signed
1645 {
typedef _Tp __type; };
1648 struct __make_signed<char>
1649 {
typedef signed char __type; };
1652 struct __make_signed<unsigned char>
1653 {
typedef signed char __type; };
1656 struct __make_signed<unsigned short>
1657 {
typedef signed short __type; };
1660 struct __make_signed<unsigned int>
1661 {
typedef signed int __type; };
1664 struct __make_signed<unsigned long>
1665 {
typedef signed long __type; };
1668 struct __make_signed<unsigned long long>
1669 {
typedef signed long long __type; };
1671 #if defined(__GLIBCXX_TYPE_INT_N_0)
1673 struct __make_signed<unsigned __GLIBCXX_TYPE_INT_N_0>
1674 {
typedef __GLIBCXX_TYPE_INT_N_0 __type; };
1676 #if defined(__GLIBCXX_TYPE_INT_N_1)
1678 struct __make_signed<unsigned __GLIBCXX_TYPE_INT_N_1>
1679 {
typedef __GLIBCXX_TYPE_INT_N_1 __type; };
1681 #if defined(__GLIBCXX_TYPE_INT_N_2)
1683 struct __make_signed<unsigned __GLIBCXX_TYPE_INT_N_2>
1684 {
typedef __GLIBCXX_TYPE_INT_N_2 __type; };
1686 #if defined(__GLIBCXX_TYPE_INT_N_3)
1688 struct __make_signed<unsigned __GLIBCXX_TYPE_INT_N_3>
1689 {
typedef __GLIBCXX_TYPE_INT_N_3 __type; };
1693 template<
typename _Tp,
1694 bool _IsInt = is_integral<_Tp>::value,
1695 bool _IsEnum = is_enum<_Tp>::value>
1696 class __make_signed_selector;
1698 template<
typename _Tp>
1699 class __make_signed_selector<_Tp, true, false>
1701 typedef __make_signed<typename remove_cv<_Tp>::type> __signedt;
1702 typedef typename __signedt::__type __signed_type;
1703 typedef __match_cv_qualifiers<_Tp, __signed_type> __cv_signed;
1706 typedef typename __cv_signed::__type __type;
1709 template<
typename _Tp>
1710 class __make_signed_selector<_Tp, false, true>
1712 typedef typename __make_unsigned_selector<_Tp>::__type __unsigned_type;
1715 typedef typename __make_signed_selector<__unsigned_type>::__type __type;
1722 template<
typename _Tp>
1724 {
typedef typename __make_signed_selector<_Tp>::__type type; };
1730 #if __cplusplus > 201103L
1732 template<
typename _Tp>
1736 template<
typename _Tp>
1743 template<
typename _Tp>
1745 {
typedef _Tp type; };
1747 template<
typename _Tp, std::
size_t _Size>
1749 {
typedef _Tp type; };
1751 template<
typename _Tp>
1752 struct remove_extent<_Tp[]>
1753 {
typedef _Tp type; };
1756 template<
typename _Tp>
1757 struct remove_all_extents
1758 {
typedef _Tp type; };
1760 template<
typename _Tp, std::
size_t _Size>
1761 struct remove_all_extents<_Tp[_Size]>
1762 {
typedef typename remove_all_extents<_Tp>::type type; };
1764 template<
typename _Tp>
1765 struct remove_all_extents<_Tp[]>
1766 {
typedef typename remove_all_extents<_Tp>::type type; };
1768 #if __cplusplus > 201103L
1770 template<
typename _Tp>
1774 template<
typename _Tp>
1780 template<
typename _Tp,
typename>
1781 struct __remove_pointer_helper
1782 {
typedef _Tp type; };
1784 template<
typename _Tp,
typename _Up>
1785 struct __remove_pointer_helper<_Tp, _Up*>
1786 {
typedef _Up type; };
1789 template<
typename _Tp>
1791 :
public __remove_pointer_helper<_Tp, typename remove_cv<_Tp>::type>
1795 template<
typename _Tp,
bool = __or_<__is_referenceable<_Tp>,
1796 is_
void<_Tp>>::value>
1798 {
typedef _Tp type; };
1800 template<
typename _Tp>
1802 {
typedef typename remove_reference<_Tp>::type* type; };
1804 template<
typename _Tp>
1806 :
public __add_pointer_helper<_Tp>
1809 #if __cplusplus > 201103L
1811 template<
typename _Tp>
1815 template<
typename _Tp>
1819 template<std::
size_t _Len>
1820 struct __aligned_storage_msa
1824 unsigned char __data[_Len];
1825 struct __attribute__((__aligned__)) { } __align;
1839 template<std::size_t _Len, std::size_t _Align =
1840 __alignof__(
typename __aligned_storage_msa<_Len>::__type)>
1845 unsigned char __data[_Len];
1846 struct __attribute__((__aligned__((_Align)))) { } __align;
1850 template <
typename... _Types>
1851 struct __strictest_alignment
1853 static const size_t _S_alignment = 0;
1854 static const size_t _S_size = 0;
1857 template <
typename _Tp,
typename... _Types>
1858 struct __strictest_alignment<_Tp, _Types...>
1860 static const size_t _S_alignment =
1861 alignof(_Tp) > __strictest_alignment<_Types...>::_S_alignment
1862 ?
alignof(_Tp) : __strictest_alignment<_Types...>::_S_alignment;
1863 static const size_t _S_size =
1864 sizeof(_Tp) > __strictest_alignment<_Types...>::_S_size
1865 ?
sizeof(_Tp) : __strictest_alignment<_Types...>::_S_size;
1878 template <
size_t _Len,
typename... _Types>
1882 static_assert(
sizeof...(_Types) != 0,
"At least one type is required");
1884 using __strictest = __strictest_alignment<_Types...>;
1885 static const size_t _S_len = _Len > __strictest::_S_size
1886 ? _Len : __strictest::_S_size;
1889 static const size_t alignment_value = __strictest::_S_alignment;
1894 template <
size_t _Len,
typename... _Types>
1895 const size_t aligned_union<_Len, _Types...>::alignment_value;
1899 template<
typename _Up,
1902 struct __decay_selector;
1905 template<
typename _Up>
1906 struct __decay_selector<_Up, false, false>
1907 {
typedef typename remove_cv<_Up>::type __type; };
1909 template<
typename _Up>
1910 struct __decay_selector<_Up, true, false>
1911 {
typedef typename remove_extent<_Up>::type* __type; };
1913 template<
typename _Up>
1914 struct __decay_selector<_Up, false, true>
1915 {
typedef typename add_pointer<_Up>::type __type; };
1918 template<
typename _Tp>
1921 typedef typename remove_reference<_Tp>::type __remove_type;
1924 typedef typename __decay_selector<__remove_type>::__type type;
1927 template<
typename _Tp>
1931 template<
typename _Tp>
1932 struct __strip_reference_wrapper
1937 template<
typename _Tp>
1940 typedef _Tp& __type;
1943 template<
typename _Tp>
1944 struct __decay_and_strip
1946 typedef typename __strip_reference_wrapper<
1947 typename decay<_Tp>::type>::__type __type;
1953 template<
bool,
typename _Tp =
void>
1958 template<
typename _Tp>
1960 {
typedef _Tp type; };
1962 template<
typename... _Cond>
1963 using _Require =
typename enable_if<__and_<_Cond...>::value>::type;
1967 template<
bool _Cond,
typename _Iftrue,
typename _Iffalse>
1969 {
typedef _Iftrue type; };
1972 template<
typename _Iftrue,
typename _Iffalse>
1973 struct conditional<false, _Iftrue, _Iffalse>
1974 {
typedef _Iffalse type; };
1977 template<
typename... _Tp>
1982 struct __do_common_type_impl
1984 template<
typename _Tp,
typename _Up>
1985 static __success_type<
typename decay<decltype
1986 (
true ? std::declval<_Tp>()
1987 : std::declval<_Up>())>::type> _S_test(
int);
1989 template<
typename,
typename>
1990 static __failure_type _S_test(...);
1993 template<
typename _Tp,
typename _Up>
1994 struct __common_type_impl
1995 :
private __do_common_type_impl
1997 typedef decltype(_S_test<_Tp, _Up>(0)) type;
2000 struct __do_member_type_wrapper
2002 template<
typename _Tp>
2003 static __success_type<typename _Tp::type> _S_test(
int);
2006 static __failure_type _S_test(...);
2009 template<
typename _Tp>
2010 struct __member_type_wrapper
2011 :
private __do_member_type_wrapper
2013 typedef decltype(_S_test<_Tp>(0)) type;
2016 template<typename _CTp, typename... _Args>
2017 struct __expanded_common_type_wrapper
2019 typedef common_type<
typename _CTp::type, _Args...> type;
2022 template<
typename... _Args>
2023 struct __expanded_common_type_wrapper<__failure_type, _Args...>
2024 {
typedef __failure_type type; };
2026 template<
typename _Tp>
2027 struct common_type<_Tp>
2028 {
typedef typename decay<_Tp>::type type; };
2030 template<
typename _Tp,
typename _Up>
2031 struct common_type<_Tp, _Up>
2032 :
public __common_type_impl<_Tp, _Up>::type
2035 template<
typename _Tp,
typename _Up,
typename... _Vp>
2036 struct common_type<_Tp, _Up, _Vp...>
2037 :
public __expanded_common_type_wrapper<typename __member_type_wrapper<
2038 common_type<_Tp, _Up>>::type, _Vp...>::type
2042 template<
typename _Tp>
2045 typedef __underlying_type(_Tp) type;
2048 template<
typename _Tp>
2049 struct __declval_protector
2051 static const bool __stop =
false;
2054 template<
typename _Tp>
2055 auto declval()
noexcept -> decltype(__declval<_Tp>(0))
2057 static_assert(__declval_protector<_Tp>::__stop,
2058 "declval() must not be used!");
2059 return __declval<_Tp>(0);
2070 #if defined(_GLIBCXX_USE_WCHAR_T)
2072 struct __make_unsigned<wchar_t>
2075 =
typename __make_unsigned_selector<wchar_t, false, true>::__type;
2079 struct __make_signed<wchar_t>
2082 =
typename __make_signed_selector<wchar_t, false, true>::__type;
2087 struct __make_unsigned<char16_t>
2090 =
typename __make_unsigned_selector<char16_t, false, true>::__type;
2094 struct __make_signed<char16_t>
2097 =
typename __make_signed_selector<char16_t, false, true>::__type;
2101 struct __make_unsigned<char32_t>
2104 =
typename __make_unsigned_selector<char32_t, false, true>::__type;
2108 struct __make_signed<char32_t>
2111 =
typename __make_signed_selector<char32_t, false, true>::__type;
2116 template<
typename _Signature>
2121 #define __cpp_lib_result_of_sfinae 201210
2123 struct __invoke_memfun_ref { };
2124 struct __invoke_memfun_deref { };
2125 struct __invoke_memobj_ref { };
2126 struct __invoke_memobj_deref { };
2127 struct __invoke_other { };
2130 template<
typename _Tp,
typename _Tag>
2131 struct __result_of_success : __success_type<_Tp>
2132 {
using __invoke_type = _Tag; };
2135 struct __result_of_memfun_ref_impl
2137 template<
typename _Fp,
typename _Tp1,
typename... _Args>
2138 static __result_of_success<decltype(
2139 (std::declval<_Tp1>().*std::declval<_Fp>())(std::declval<_Args>()...)
2140 ), __invoke_memfun_ref> _S_test(
int);
2142 template<
typename...>
2143 static __failure_type _S_test(...);
2146 template<
typename _MemPtr,
typename _Arg,
typename... _Args>
2147 struct __result_of_memfun_ref
2148 :
private __result_of_memfun_ref_impl
2150 typedef decltype(_S_test<_MemPtr, _Arg, _Args...>(0)) type;
2154 struct __result_of_memfun_deref_impl
2156 template<
typename _Fp,
typename _Tp1,
typename... _Args>
2157 static __result_of_success<decltype(
2158 ((*std::declval<_Tp1>()).*std::declval<_Fp>())(std::declval<_Args>()...)
2159 ), __invoke_memfun_deref> _S_test(
int);
2161 template<
typename...>
2162 static __failure_type _S_test(...);
2165 template<
typename _MemPtr,
typename _Arg,
typename... _Args>
2166 struct __result_of_memfun_deref
2167 :
private __result_of_memfun_deref_impl
2169 typedef decltype(_S_test<_MemPtr, _Arg, _Args...>(0)) type;
2173 struct __result_of_memobj_ref_impl
2175 template<
typename _Fp,
typename _Tp1>
2176 static __result_of_success<decltype(
2177 std::declval<_Tp1>().*std::declval<_Fp>()
2178 ), __invoke_memobj_ref> _S_test(
int);
2180 template<
typename,
typename>
2181 static __failure_type _S_test(...);
2184 template<
typename _MemPtr,
typename _Arg>
2185 struct __result_of_memobj_ref
2186 :
private __result_of_memobj_ref_impl
2188 typedef decltype(_S_test<_MemPtr, _Arg>(0)) type;
2192 struct __result_of_memobj_deref_impl
2194 template<
typename _Fp,
typename _Tp1>
2195 static __result_of_success<decltype(
2196 (*std::declval<_Tp1>()).*std::declval<_Fp>()
2197 ), __invoke_memobj_deref> _S_test(
int);
2199 template<
typename,
typename>
2200 static __failure_type _S_test(...);
2203 template<
typename _MemPtr,
typename _Arg>
2204 struct __result_of_memobj_deref
2205 :
private __result_of_memobj_deref_impl
2207 typedef decltype(_S_test<_MemPtr, _Arg>(0)) type;
2210 template<typename _MemPtr, typename _Arg>
2211 struct __result_of_memobj;
2213 template<typename _Res, typename _Class, typename _Arg>
2214 struct __result_of_memobj<_Res _Class::*, _Arg>
2216 typedef typename remove_cv<
typename remove_reference<
2217 _Arg>::type>::type _Argval;
2218 typedef _Res _Class::* _MemPtr;
2219 typedef typename conditional<__or_<is_same<_Argval, _Class>,
2220 is_base_of<_Class, _Argval>>::value,
2221 __result_of_memobj_ref<_MemPtr, _Arg>,
2222 __result_of_memobj_deref<_MemPtr, _Arg>
2226 template<
typename _MemPtr,
typename _Arg,
typename... _Args>
2227 struct __result_of_memfun;
2229 template<
typename _Res,
typename _Class,
typename _Arg,
typename... _Args>
2230 struct __result_of_memfun<_Res _Class::*, _Arg, _Args...>
2232 typedef typename remove_cv<
typename remove_reference<
2233 _Arg>::type>::type _Argval;
2234 typedef _Res _Class::* _MemPtr;
2235 typedef typename conditional<__or_<is_same<_Argval, _Class>,
2236 is_base_of<_Class, _Argval>>::value,
2237 __result_of_memfun_ref<_MemPtr, _Arg, _Args...>,
2238 __result_of_memfun_deref<_MemPtr, _Arg, _Args...>
2247 template<typename _Tp, typename _Up = typename decay<_Tp>::type>
2253 template<
typename _Tp,
typename _Up>
2254 struct __inv_unwrap<_Tp, reference_wrapper<_Up>>
2259 template<bool, bool,
typename _Functor,
typename... _ArgTypes>
2260 struct __result_of_impl
2262 typedef __failure_type type;
2265 template<
typename _MemPtr,
typename _Arg>
2266 struct __result_of_impl<true, false, _MemPtr, _Arg>
2267 :
public __result_of_memobj<typename decay<_MemPtr>::type,
2268 typename __inv_unwrap<_Arg>::type>
2271 template<
typename _MemPtr,
typename _Arg,
typename... _Args>
2272 struct __result_of_impl<false, true, _MemPtr, _Arg, _Args...>
2273 :
public __result_of_memfun<typename decay<_MemPtr>::type,
2274 typename __inv_unwrap<_Arg>::type, _Args...>
2278 struct __result_of_other_impl
2280 template<
typename _Fn,
typename... _Args>
2281 static __result_of_success<decltype(
2282 std::declval<_Fn>()(std::declval<_Args>()...)
2283 ), __invoke_other> _S_test(
int);
2285 template<
typename...>
2286 static __failure_type _S_test(...);
2289 template<
typename _Functor,
typename... _ArgTypes>
2290 struct __result_of_impl<false, false, _Functor, _ArgTypes...>
2291 :
private __result_of_other_impl
2293 typedef decltype(_S_test<_Functor, _ArgTypes...>(0)) type;
2297 template<typename _Functor, typename... _ArgTypes>
2298 struct __invoke_result
2299 : public __result_of_impl<
2300 is_member_object_pointer<
2301 typename remove_reference<_Functor>::type
2303 is_member_function_pointer<
2304 typename remove_reference<_Functor>::type
2306 _Functor, _ArgTypes...
2310 template<
typename _Functor,
typename... _ArgTypes>
2311 struct result_of<_Functor(_ArgTypes...)>
2312 :
public __invoke_result<_Functor, _ArgTypes...>
2315 #if __cplusplus > 201103L
2317 template<
size_t _Len,
size_t _Align =
2318 __alignof__(
typename __aligned_storage_msa<_Len>::__type)>
2321 template <
size_t _Len,
typename... _Types>
2322 using aligned_union_t =
typename aligned_union<_Len, _Types...>::type;
2325 template<
typename _Tp>
2329 template<
bool _Cond,
typename _Tp =
void>
2333 template<
bool _Cond,
typename _Iftrue,
typename _Iffalse>
2337 template<
typename... _Tp>
2341 template<
typename _Tp>
2345 template<
typename _Tp>
2349 template<
typename...>
using __void_t = void;
2351 #if __cplusplus > 201402L || !defined(__STRICT_ANSI__) // c++1z or gnu++11
2352 #define __cpp_lib_void_t 201411
2358 template<
typename _Default,
typename _AlwaysVoid,
2359 template<
typename...>
class _Op,
typename... _Args>
2363 using type = _Default;
2367 template<
typename _Default,
template<
typename...>
class _Op,
2369 struct __detector<_Default, __void_t<_Op<_Args...>>, _Op, _Args...>
2372 using type = _Op<_Args...>;
2376 template<
typename _Default,
template<
typename...>
class _Op,
2381 template<
typename _Default,
template<
typename...>
class _Op,
2383 using __detected_or_t
2392 #define _GLIBCXX_HAS_NESTED_TYPE(_NTYPE) \
2393 template<typename _Tp, typename = __void_t<>> \
2394 struct __has_##_NTYPE \
2397 template<typename _Tp> \
2398 struct __has_##_NTYPE<_Tp, __void_t<typename _Tp::_NTYPE>> \
2402 template <
typename _Tp>
2403 struct __is_swappable;
2405 template <
typename _Tp>
2406 struct __is_nothrow_swappable;
2408 template<
typename... _Elements>
2415 template<
typename... _Tps>
2416 struct __is_tuple_like_impl<tuple<_Tps...>> :
true_type
2420 template<
typename _Tp>
2421 struct __is_tuple_like
2422 :
public __is_tuple_like_impl<typename remove_cv<
2423 typename remove_reference<_Tp>::type>::type>::type
2426 template<
typename _Tp>
2428 typename enable_if<__and_<__not_<__is_tuple_like<_Tp>>,
2429 is_move_constructible<_Tp>,
2430 is_move_assignable<_Tp>>::value>::type
2432 noexcept(__and_<is_nothrow_move_constructible<_Tp>,
2433 is_nothrow_move_assignable<_Tp>>::value);
2435 template<typename _Tp,
size_t _Nm>
2437 typename enable_if<__is_swappable<_Tp>::value>::type
2438 swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
2439 noexcept(__is_nothrow_swappable<_Tp>::value);
2441 namespace __swappable_details {
2444 struct __do_is_swappable_impl
2446 template<
typename _Tp,
typename
2447 = decltype(swap(std::declval<_Tp&>(), std::declval<_Tp&>()))>
2454 struct __do_is_nothrow_swappable_impl
2456 template<
typename _Tp>
2457 static __bool_constant<
2458 noexcept(swap(std::declval<_Tp&>(), std::declval<_Tp&>()))
2467 template<
typename _Tp>
2468 struct __is_swappable_impl
2469 :
public __swappable_details::__do_is_swappable_impl
2471 typedef decltype(__test<_Tp>(0)) type;
2474 template<typename _Tp>
2475 struct __is_nothrow_swappable_impl
2476 : public __swappable_details::__do_is_nothrow_swappable_impl
2478 typedef decltype(__test<_Tp>(0)) type;
2481 template<typename _Tp>
2482 struct __is_swappable
2483 : public __is_swappable_impl<_Tp>::type
2486 template<
typename _Tp>
2487 struct __is_nothrow_swappable
2488 :
public __is_nothrow_swappable_impl<_Tp>::type
2491 #if __cplusplus > 201402L || !defined(__STRICT_ANSI__) // c++1z or gnu++11
2492 #define __cpp_lib_is_swappable 201603
2496 template<
typename _Tp>
2498 :
public __is_swappable_impl<_Tp>::type
2502 template<
typename _Tp>
2504 :
public __is_nothrow_swappable_impl<_Tp>::type
2507 #if __cplusplus >= 201402L
2509 template<
typename _Tp>
2514 template<
typename _Tp>
2517 #endif // __cplusplus >= 201402L
2519 namespace __swappable_with_details {
2522 struct __do_is_swappable_with_impl
2524 template<
typename _Tp,
typename _Up,
typename
2525 = decltype(swap(std::declval<_Tp>(), std::declval<_Up>())),
2527 = decltype(swap(std::declval<_Up>(), std::declval<_Tp>()))>
2530 template<
typename,
typename>
2534 struct __do_is_nothrow_swappable_with_impl
2536 template<
typename _Tp,
typename _Up>
2538 noexcept(swap(std::declval<_Tp>(), std::declval<_Up>()))
2540 noexcept(swap(std::declval<_Up>(), std::declval<_Tp>()))
2543 template<
typename,
typename>
2549 template<
typename _Tp,
typename _Up>
2550 struct __is_swappable_with_impl
2551 :
public __swappable_with_details::__do_is_swappable_with_impl
2553 typedef decltype(__test<_Tp, _Up>(0)) type;
2557 template<typename _Tp>
2558 struct __is_swappable_with_impl<_Tp&, _Tp&>
2559 : public __swappable_details::__do_is_swappable_impl
2561 typedef decltype(__test<_Tp&>(0)) type;
2564 template<typename _Tp, typename _Up>
2565 struct __is_nothrow_swappable_with_impl
2566 : public __swappable_with_details::__do_is_nothrow_swappable_with_impl
2568 typedef decltype(__test<_Tp, _Up>(0)) type;
2572 template<typename _Tp>
2573 struct __is_nothrow_swappable_with_impl<_Tp&, _Tp&>
2574 : public __swappable_details::__do_is_nothrow_swappable_impl
2576 typedef decltype(__test<_Tp&>(0)) type;
2580 template<typename _Tp, typename _Up>
2582 : public __is_swappable_with_impl<_Tp, _Up>::type
2586 template<
typename _Tp,
typename _Up>
2588 :
public __is_nothrow_swappable_with_impl<_Tp, _Up>::type
2591 #if __cplusplus >= 201402L
2593 template<
typename _Tp,
typename _Up>
2598 template<
typename _Tp,
typename _Up>
2601 #endif // __cplusplus >= 201402L
2603 #endif// c++1z or gnu++11
2607 template<
typename _Result,
typename _Ret,
typename =
void>
2610 template<
typename _Result,
typename _Ret>
2611 struct __is_invocable_impl<_Result, _Ret, __void_t<typename _Result::type>>
2612 : __or_<is_void<_Ret>, is_convertible<typename _Result::type, _Ret>>::type
2615 template<
typename _Fn,
typename... _ArgTypes>
2616 struct __is_invocable
2617 : __is_invocable_impl<__invoke_result<_Fn, _ArgTypes...>, void>::type
2620 template<
typename _Fn,
typename _Tp,
typename... _Args>
2621 constexpr
bool __call_is_nt(__invoke_memfun_ref)
2623 using _Up =
typename __inv_unwrap<_Tp>::type;
2624 return noexcept((std::declval<_Up>().*std::declval<_Fn>())(
2625 std::declval<_Args>()...));
2628 template<
typename _Fn,
typename _Tp,
typename... _Args>
2629 constexpr
bool __call_is_nt(__invoke_memfun_deref)
2631 return noexcept(((*std::declval<_Tp>()).*std::declval<_Fn>())(
2632 std::declval<_Args>()...));
2635 template<
typename _Fn,
typename _Tp>
2636 constexpr
bool __call_is_nt(__invoke_memobj_ref)
2638 using _Up =
typename __inv_unwrap<_Tp>::type;
2639 return noexcept(std::declval<_Up>().*std::declval<_Fn>());
2642 template<
typename _Fn,
typename _Tp>
2643 constexpr
bool __call_is_nt(__invoke_memobj_deref)
2645 return noexcept((*std::declval<_Tp>()).*std::declval<_Fn>());
2648 template<
typename _Fn,
typename... _Args>
2649 constexpr
bool __call_is_nt(__invoke_other)
2651 return noexcept(std::declval<_Fn>()(std::declval<_Args>()...));
2654 template<
typename _Result,
typename _Fn,
typename... _Args>
2655 struct __call_is_nothrow
2657 std::__call_is_nt<_Fn, _Args...>(typename _Result::__invoke_type{})
2661 template<
typename _Fn,
typename... _Args>
2662 using __call_is_nothrow_
2663 = __call_is_nothrow<__invoke_result<_Fn, _Args...>, _Fn, _Args...>;
2666 template<
typename _Fn,
typename... _Args>
2667 struct __is_nothrow_invocable
2668 : __and_<__is_invocable<_Fn, _Args...>,
2669 __call_is_nothrow_<_Fn, _Args...>>::type
2673 __nonesuch() =
delete;
2674 ~__nonesuch() =
delete;
2675 __nonesuch(__nonesuch
const&) =
delete;
2676 void operator=(__nonesuch
const&) =
delete;
2679 #if __cplusplus >= 201703L
2680 # define __cpp_lib_is_invocable 201703
2683 template<
typename _Functor,
typename... _ArgTypes>
2684 struct invoke_result
2685 :
public __invoke_result<_Functor, _ArgTypes...>
2689 template<
typename _Fn,
typename... _Args>
2690 using invoke_result_t =
typename invoke_result<_Fn, _Args...>::type;
2693 template<
typename _Fn,
typename... _ArgTypes>
2695 : __is_invocable_impl<__invoke_result<_Fn, _ArgTypes...>, void>::type
2699 template<
typename _Ret,
typename _Fn,
typename... _ArgTypes>
2700 struct is_invocable_r
2701 : __is_invocable_impl<__invoke_result<_Fn, _ArgTypes...>, _Ret>::type
2705 template<
typename _Fn,
typename... _ArgTypes>
2706 struct is_nothrow_invocable
2707 : __and_<__is_invocable_impl<__invoke_result<_Fn, _ArgTypes...>, void>,
2708 __call_is_nothrow_<_Fn, _ArgTypes...>>::type
2711 template<
typename _Result,
typename _Ret,
typename =
void>
2712 struct __is_nt_invocable_impl :
false_type { };
2714 template<
typename _Result,
typename _Ret>
2715 struct __is_nt_invocable_impl<_Result, _Ret,
2716 __void_t<typename _Result::type>>
2717 : __or_<is_void<_Ret>,
2718 __and_<is_convertible<typename _Result::type, _Ret>,
2719 is_nothrow_constructible<_Ret, typename _Result::type>>>
2723 template<
typename _Ret,
typename _Fn,
typename... _ArgTypes>
2724 struct is_nothrow_invocable_r
2725 : __and_<__is_nt_invocable_impl<__invoke_result<_Fn, _ArgTypes...>, _Ret>,
2726 __call_is_nothrow_<_Fn, _ArgTypes...>>::type
2730 template<
typename _Fn,
typename... _Args>
2731 inline constexpr
bool is_invocable_v = is_invocable<_Fn, _Args...>::value;
2734 template<
typename _Fn,
typename... _Args>
2735 inline constexpr
bool is_nothrow_invocable_v
2736 = is_nothrow_invocable<_Fn, _Args...>::value;
2739 template<
typename _Fn,
typename... _Args>
2740 inline constexpr
bool is_invocable_r_v
2741 = is_invocable_r<_Fn, _Args...>::value;
2744 template<
typename _Fn,
typename... _Args>
2745 inline constexpr
bool is_nothrow_invocable_r_v
2746 = is_nothrow_invocable_r<_Fn, _Args...>::value;
2749 #if __cplusplus >= 201703L
2750 # define __cpp_lib_type_trait_variable_templates 201510L
2751 template <
typename _Tp>
2752 inline constexpr
bool is_void_v = is_void<_Tp>::value;
2753 template <
typename _Tp>
2754 inline constexpr
bool is_null_pointer_v = is_null_pointer<_Tp>::value;
2755 template <
typename _Tp>
2756 inline constexpr
bool is_integral_v = is_integral<_Tp>::value;
2757 template <
typename _Tp>
2758 inline constexpr
bool is_floating_point_v = is_floating_point<_Tp>::value;
2759 template <
typename _Tp>
2760 inline constexpr
bool is_array_v = is_array<_Tp>::value;
2761 template <
typename _Tp>
2762 inline constexpr
bool is_pointer_v = is_pointer<_Tp>::value;
2763 template <
typename _Tp>
2764 inline constexpr
bool is_lvalue_reference_v =
2765 is_lvalue_reference<_Tp>::value;
2766 template <
typename _Tp>
2767 inline constexpr
bool is_rvalue_reference_v =
2768 is_rvalue_reference<_Tp>::value;
2769 template <
typename _Tp>
2770 inline constexpr
bool is_member_object_pointer_v =
2771 is_member_object_pointer<_Tp>::value;
2772 template <
typename _Tp>
2773 inline constexpr
bool is_member_function_pointer_v =
2774 is_member_function_pointer<_Tp>::value;
2775 template <
typename _Tp>
2776 inline constexpr
bool is_enum_v = is_enum<_Tp>::value;
2777 template <
typename _Tp>
2778 inline constexpr
bool is_union_v = is_union<_Tp>::value;
2779 template <
typename _Tp>
2780 inline constexpr
bool is_class_v = is_class<_Tp>::value;
2781 template <
typename _Tp>
2782 inline constexpr
bool is_function_v = is_function<_Tp>::value;
2783 template <
typename _Tp>
2784 inline constexpr
bool is_reference_v = is_reference<_Tp>::value;
2785 template <
typename _Tp>
2786 inline constexpr
bool is_arithmetic_v = is_arithmetic<_Tp>::value;
2787 template <
typename _Tp>
2788 inline constexpr
bool is_fundamental_v = is_fundamental<_Tp>::value;
2789 template <
typename _Tp>
2790 inline constexpr
bool is_object_v = is_object<_Tp>::value;
2791 template <
typename _Tp>
2792 inline constexpr
bool is_scalar_v = is_scalar<_Tp>::value;
2793 template <
typename _Tp>
2794 inline constexpr
bool is_compound_v = is_compound<_Tp>::value;
2795 template <
typename _Tp>
2796 inline constexpr
bool is_member_pointer_v = is_member_pointer<_Tp>::value;
2797 template <
typename _Tp>
2798 inline constexpr
bool is_const_v = is_const<_Tp>::value;
2799 template <
typename _Tp>
2800 inline constexpr
bool is_volatile_v = is_volatile<_Tp>::value;
2801 template <
typename _Tp>
2802 inline constexpr
bool is_trivial_v = is_trivial<_Tp>::value;
2803 template <
typename _Tp>
2804 inline constexpr
bool is_trivially_copyable_v =
2805 is_trivially_copyable<_Tp>::value;
2806 template <
typename _Tp>
2807 inline constexpr
bool is_standard_layout_v = is_standard_layout<_Tp>::value;
2808 template <
typename _Tp>
2809 inline constexpr
bool is_pod_v = is_pod<_Tp>::value;
2810 template <
typename _Tp>
2811 inline constexpr
bool is_literal_type_v = is_literal_type<_Tp>::value;
2812 template <
typename _Tp>
2813 inline constexpr
bool is_empty_v = is_empty<_Tp>::value;
2814 template <
typename _Tp>
2815 inline constexpr
bool is_polymorphic_v = is_polymorphic<_Tp>::value;
2816 template <
typename _Tp>
2817 inline constexpr
bool is_abstract_v = is_abstract<_Tp>::value;
2818 template <
typename _Tp>
2819 inline constexpr
bool is_final_v = is_final<_Tp>::value;
2820 template <
typename _Tp>
2821 inline constexpr
bool is_signed_v = is_signed<_Tp>::value;
2822 template <
typename _Tp>
2823 inline constexpr
bool is_unsigned_v = is_unsigned<_Tp>::value;
2824 template <
typename _Tp,
typename... _Args>
2825 inline constexpr
bool is_constructible_v =
2826 is_constructible<_Tp, _Args...>::value;
2827 template <
typename _Tp>
2828 inline constexpr
bool is_default_constructible_v =
2829 is_default_constructible<_Tp>::value;
2830 template <
typename _Tp>
2831 inline constexpr
bool is_copy_constructible_v =
2832 is_copy_constructible<_Tp>::value;
2833 template <
typename _Tp>
2834 inline constexpr
bool is_move_constructible_v =
2835 is_move_constructible<_Tp>::value;
2836 template <
typename _Tp,
typename _Up>
2837 inline constexpr
bool is_assignable_v = is_assignable<_Tp, _Up>::value;
2838 template <
typename _Tp>
2839 inline constexpr
bool is_copy_assignable_v = is_copy_assignable<_Tp>::value;
2840 template <
typename _Tp>
2841 inline constexpr
bool is_move_assignable_v = is_move_assignable<_Tp>::value;
2842 template <
typename _Tp>
2843 inline constexpr
bool is_destructible_v = is_destructible<_Tp>::value;
2844 template <
typename _Tp,
typename... _Args>
2845 inline constexpr
bool is_trivially_constructible_v =
2846 is_trivially_constructible<_Tp, _Args...>::value;
2847 template <
typename _Tp>
2848 inline constexpr
bool is_trivially_default_constructible_v =
2849 is_trivially_default_constructible<_Tp>::value;
2850 template <
typename _Tp>
2851 inline constexpr
bool is_trivially_copy_constructible_v =
2852 is_trivially_copy_constructible<_Tp>::value;
2853 template <
typename _Tp>
2854 inline constexpr
bool is_trivially_move_constructible_v =
2855 is_trivially_move_constructible<_Tp>::value;
2856 template <
typename _Tp,
typename _Up>
2857 inline constexpr
bool is_trivially_assignable_v =
2858 is_trivially_assignable<_Tp, _Up>::value;
2859 template <
typename _Tp>
2860 inline constexpr
bool is_trivially_copy_assignable_v =
2861 is_trivially_copy_assignable<_Tp>::value;
2862 template <
typename _Tp>
2863 inline constexpr
bool is_trivially_move_assignable_v =
2864 is_trivially_move_assignable<_Tp>::value;
2865 template <
typename _Tp>
2866 inline constexpr
bool is_trivially_destructible_v =
2867 is_trivially_destructible<_Tp>::value;
2868 template <
typename _Tp,
typename... _Args>
2869 inline constexpr
bool is_nothrow_constructible_v =
2870 is_nothrow_constructible<_Tp, _Args...>::value;
2871 template <
typename _Tp>
2872 inline constexpr
bool is_nothrow_default_constructible_v =
2873 is_nothrow_default_constructible<_Tp>::value;
2874 template <
typename _Tp>
2875 inline constexpr
bool is_nothrow_copy_constructible_v =
2876 is_nothrow_copy_constructible<_Tp>::value;
2877 template <
typename _Tp>
2878 inline constexpr
bool is_nothrow_move_constructible_v =
2879 is_nothrow_move_constructible<_Tp>::value;
2880 template <
typename _Tp,
typename _Up>
2881 inline constexpr
bool is_nothrow_assignable_v =
2882 is_nothrow_assignable<_Tp, _Up>::value;
2883 template <
typename _Tp>
2884 inline constexpr
bool is_nothrow_copy_assignable_v =
2885 is_nothrow_copy_assignable<_Tp>::value;
2886 template <
typename _Tp>
2887 inline constexpr
bool is_nothrow_move_assignable_v =
2888 is_nothrow_move_assignable<_Tp>::value;
2889 template <
typename _Tp>
2890 inline constexpr
bool is_nothrow_destructible_v =
2891 is_nothrow_destructible<_Tp>::value;
2892 template <
typename _Tp>
2893 inline constexpr
bool has_virtual_destructor_v =
2894 has_virtual_destructor<_Tp>::value;
2895 template <
typename _Tp>
2896 inline constexpr
size_t alignment_of_v = alignment_of<_Tp>::value;
2897 template <
typename _Tp>
2898 inline constexpr
size_t rank_v = rank<_Tp>::value;
2899 template <
typename _Tp,
unsigned _Idx = 0>
2900 inline constexpr
size_t extent_v = extent<_Tp, _Idx>::value;
2901 template <
typename _Tp,
typename _Up>
2902 inline constexpr
bool is_same_v = is_same<_Tp, _Up>::value;
2903 template <
typename _Base,
typename _Derived>
2904 inline constexpr
bool is_base_of_v = is_base_of<_Base, _Derived>::value;
2905 template <
typename _From,
typename _To>
2906 inline constexpr
bool is_convertible_v = is_convertible<_From, _To>::value;
2909 # define _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP 1
2910 #elif defined(__is_identifier)
2912 # if ! __is_identifier(__has_unique_object_representations)
2913 # define _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP 1
2917 #ifdef _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP
2918 # define __cpp_lib_has_unique_object_representations 201606
2920 template<
typename _Tp>
2921 struct has_unique_object_representations
2922 : bool_constant<__has_unique_object_representations(
2923 remove_cv_t<remove_all_extents_t<_Tp>>
2927 template<
typename _Tp>
2928 inline constexpr
bool has_unique_object_representations_v
2929 = has_unique_object_representations<_Tp>::value;
2931 #undef _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP
2934 # define _GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE 1
2935 #elif defined(__is_identifier)
2937 # if ! __is_identifier(__is_aggregate)
2938 # define _GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE 1
2942 #ifdef _GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE
2943 #define __cpp_lib_is_aggregate 201703
2945 template<
typename _Tp>
2947 : bool_constant<__is_aggregate(remove_cv_t<_Tp>)> { };
2950 template<
typename _Tp>
2951 inline constexpr
bool is_aggregate_v = is_aggregate<_Tp>::value;
2953 #undef _GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE
2957 #if __cplusplus > 201703L
2961 little = __ORDER_LITTLE_ENDIAN__,
2962 big = __ORDER_BIG_ENDIAN__,
2963 native = __BYTE_ORDER__
2967 _GLIBCXX_END_NAMESPACE_VERSION
2972 #endif // _GLIBCXX_TYPE_TRAITS
typename add_const< _Tp >::type add_const_t
Alias template for add_const.
Provide aligned storage for types.
_GLIBCXX17_INLINE constexpr bool is_swappable_with_v
is_swappable_with_v
is_nothrow_move_constructible
void void_t
A metafunction that always yields void, used for detecting valid types.
Implementation of the detection idiom (negative case).
is_trivially_copy_assignable
is_trivially_default_constructible
Primary class template for reference_wrapper.
typename add_volatile< _Tp >::type add_volatile_t
Alias template for add_volatile.
typename common_type< _Tp...>::type common_type_t
Alias template for common_type.
typename remove_volatile< _Tp >::type remove_volatile_t
Alias template for remove_volatile.
is_nothrow_copy_constructible
_GLIBCXX17_INLINE constexpr bool is_nothrow_swappable_with_v
is_nothrow_swappable_with_v
typename underlying_type< _Tp >::type underlying_type_t
Alias template for underlying_type.
enable_if< ::__array_traits< _Tp, _Nm >::_Is_swappable::value >::type noexcept(noexcept(__one.swap(__two)))
swap
typename make_signed< _Tp >::type make_signed_t
Alias template for make_signed.
typename conditional< _Cond, _Iftrue, _Iffalse >::type conditional_t
Alias template for conditional.
typename add_pointer< _Tp >::type add_pointer_t
Alias template for add_pointer.
is_nothrow_move_assignable
integral_constant< bool, false > false_type
The type used as a compile-time boolean with false value.
is_nothrow_swappable_with
typename remove_const< _Tp >::type remove_const_t
Alias template for remove_const.
is_trivially_constructible
is_nothrow_copy_assignable
Define a member typedef type only if a boolean constant is true.
typename make_unsigned< _Tp >::type make_unsigned_t
Alias template for make_unsigned.
aligned_storage< _S_len, alignment_value >::type type
The storage.
typename remove_extent< _Tp >::type remove_extent_t
Alias template for remove_extent.
Metafunctions used for detecting swappable types: p0185r1.
is_member_function_pointer
typename remove_reference< _Tp >::type remove_reference_t
Alias template for remove_reference.
is_trivially_move_assignable
typename add_lvalue_reference< _Tp >::type add_lvalue_reference_t
Alias template for add_lvalue_reference.
typename enable_if< _Cond, _Tp >::type enable_if_t
Alias template for enable_if.
integral_constant< bool, true > true_type
The type used as a compile-time boolean with true value.
typename decay< _Tp >::type decay_t
Alias template for decay.
typename remove_pointer< _Tp >::type remove_pointer_t
Alias template for remove_pointer.
__is_nullptr_t (extension).
typename result_of< _Tp >::type result_of_t
Alias template for result_of.
typename add_rvalue_reference< _Tp >::type add_rvalue_reference_t
Alias template for add_rvalue_reference.
_GLIBCXX17_INLINE constexpr bool is_nothrow_swappable_v
is_nothrow_swappable_v
is_trivially_move_constructible
is_trivially_copy_constructible
is_trivially_destructible
is_nothrow_default_constructible
typename add_cv< _Tp >::type add_cv_t
Alias template for add_cv.
typename remove_all_extents< _Tp >::type remove_all_extents_t
Alias template for remove_all_extents.
typename remove_cv< _Tp >::type remove_cv_t
Alias template for remove_cv.
typename aligned_storage< _Len, _Align >::type aligned_storage_t
Alias template for aligned_storage.
The underlying type of an enum.
Define a member typedef type to one of two argument types.
_GLIBCXX17_INLINE constexpr bool is_swappable_v
is_swappable_v
is_null_pointer (LWG 2247).