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 template<
typename... _Bn>
148 inline constexpr
bool __or_v = __or_<_Bn...>::value;
149 template<
typename... _Bn>
150 inline constexpr
bool __and_v = __and_<_Bn...>::value;
152 #define __cpp_lib_logical_traits 201510 154 template<
typename... _Bn>
159 template<
typename... _Bn>
164 template<
typename _Pp>
169 template<
typename... _Bn>
170 inline constexpr
bool conjunction_v = conjunction<_Bn...>::value;
172 template<
typename... _Bn>
173 inline constexpr
bool disjunction_v = disjunction<_Bn...>::value;
175 template<
typename _Pp>
176 inline constexpr
bool negation_v = negation<_Pp>::value;
185 template<
typename _Tp>
186 struct __success_type
187 {
typedef _Tp type; };
189 struct __failure_type
198 struct __is_void_helper
199 :
public false_type { };
202 struct __is_void_helper<void>
203 :
public true_type { };
206 template<
typename _Tp>
208 :
public __is_void_helper<typename remove_cv<_Tp>::type>
::type 212 struct __is_integral_helper
213 :
public false_type { };
216 struct __is_integral_helper<bool>
217 :
public true_type { };
220 struct __is_integral_helper<char>
221 :
public true_type { };
224 struct __is_integral_helper<signed char>
225 :
public true_type { };
228 struct __is_integral_helper<unsigned char>
229 :
public true_type { };
231 #ifdef _GLIBCXX_USE_WCHAR_T 233 struct __is_integral_helper<wchar_t>
234 :
public true_type { };
238 struct __is_integral_helper<char16_t>
239 :
public true_type { };
242 struct __is_integral_helper<char32_t>
243 :
public true_type { };
246 struct __is_integral_helper<short>
247 :
public true_type { };
250 struct __is_integral_helper<unsigned short>
251 :
public true_type { };
254 struct __is_integral_helper<int>
255 :
public true_type { };
258 struct __is_integral_helper<unsigned int>
259 :
public true_type { };
262 struct __is_integral_helper<long>
263 :
public true_type { };
266 struct __is_integral_helper<unsigned long>
267 :
public true_type { };
270 struct __is_integral_helper<long long>
271 :
public true_type { };
274 struct __is_integral_helper<unsigned long long>
275 :
public true_type { };
279 #if defined(__GLIBCXX_TYPE_INT_N_0) 281 struct __is_integral_helper<__GLIBCXX_TYPE_INT_N_0>
282 :
public true_type { };
285 struct __is_integral_helper<unsigned __GLIBCXX_TYPE_INT_N_0>
286 :
public true_type { };
288 #if defined(__GLIBCXX_TYPE_INT_N_1) 290 struct __is_integral_helper<__GLIBCXX_TYPE_INT_N_1>
291 :
public true_type { };
294 struct __is_integral_helper<unsigned __GLIBCXX_TYPE_INT_N_1>
295 :
public true_type { };
297 #if defined(__GLIBCXX_TYPE_INT_N_2) 299 struct __is_integral_helper<__GLIBCXX_TYPE_INT_N_2>
300 :
public true_type { };
303 struct __is_integral_helper<unsigned __GLIBCXX_TYPE_INT_N_2>
304 :
public true_type { };
306 #if defined(__GLIBCXX_TYPE_INT_N_3) 308 struct __is_integral_helper<__GLIBCXX_TYPE_INT_N_3>
309 :
public true_type { };
312 struct __is_integral_helper<unsigned __GLIBCXX_TYPE_INT_N_3>
313 :
public true_type { };
317 template<
typename _Tp>
319 :
public __is_integral_helper<typename remove_cv<_Tp>::type>
::type 323 struct __is_floating_point_helper
324 :
public false_type { };
327 struct __is_floating_point_helper<float>
328 :
public true_type { };
331 struct __is_floating_point_helper<double>
332 :
public true_type { };
335 struct __is_floating_point_helper<long double>
336 :
public true_type { };
338 #if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_FLOAT128) && !defined(__CUDACC__) 340 struct __is_floating_point_helper<__float128>
341 :
public true_type { };
345 template<
typename _Tp>
347 :
public __is_floating_point_helper<typename remove_cv<_Tp>::type>::type
353 :
public false_type { };
355 template<
typename _Tp, std::
size_t _Size>
357 :
public true_type { };
359 template<
typename _Tp>
361 :
public true_type { };
364 struct __is_pointer_helper
365 :
public false_type { };
367 template<
typename _Tp>
368 struct __is_pointer_helper<_Tp*>
369 :
public true_type { };
372 template<
typename _Tp>
374 :
public __is_pointer_helper<typename remove_cv<_Tp>::type>::type
380 :
public false_type { };
382 template<
typename _Tp>
384 :
public true_type { };
389 :
public false_type { };
391 template<
typename _Tp>
393 :
public true_type { };
399 struct __is_member_object_pointer_helper
400 :
public false_type { };
402 template<
typename _Tp,
typename _Cp>
403 struct __is_member_object_pointer_helper<_Tp _Cp::*>
404 :
public __not_<is_function<_Tp>>
::type { };
407 template<
typename _Tp>
409 :
public __is_member_object_pointer_helper<
410 typename remove_cv<_Tp>::type>::type
414 struct __is_member_function_pointer_helper
415 :
public false_type { };
417 template<
typename _Tp,
typename _Cp>
418 struct __is_member_function_pointer_helper<_Tp _Cp::*>
422 template<
typename _Tp>
424 :
public __is_member_function_pointer_helper<
425 typename remove_cv<_Tp>::type>
::type 429 template<
typename _Tp>
435 template<
typename _Tp>
441 template<
typename _Tp>
449 :
public false_type { };
451 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
452 struct is_function<_Res(_ArgTypes...) _GLIBCXX_NOEXCEPT_QUAL>
453 :
public true_type { };
455 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
456 struct is_function<_Res(_ArgTypes...) & _GLIBCXX_NOEXCEPT_QUAL>
457 :
public true_type { };
459 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
460 struct is_function<_Res(_ArgTypes...) && _GLIBCXX_NOEXCEPT_QUAL>
461 :
public true_type { };
463 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
464 struct is_function<_Res(_ArgTypes......) _GLIBCXX_NOEXCEPT_QUAL>
465 :
public true_type { };
467 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
468 struct is_function<_Res(_ArgTypes......) & _GLIBCXX_NOEXCEPT_QUAL>
469 :
public true_type { };
471 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
472 struct is_function<_Res(_ArgTypes......) && _GLIBCXX_NOEXCEPT_QUAL>
473 :
public true_type { };
475 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
476 struct is_function<_Res(_ArgTypes...) const _GLIBCXX_NOEXCEPT_QUAL>
477 :
public true_type { };
479 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
480 struct is_function<_Res(_ArgTypes...) const & _GLIBCXX_NOEXCEPT_QUAL>
481 :
public true_type { };
483 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
484 struct is_function<_Res(_ArgTypes...) const && _GLIBCXX_NOEXCEPT_QUAL>
485 :
public true_type { };
487 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
488 struct is_function<_Res(_ArgTypes......) const _GLIBCXX_NOEXCEPT_QUAL>
489 :
public true_type { };
491 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
492 struct is_function<_Res(_ArgTypes......) const & _GLIBCXX_NOEXCEPT_QUAL>
493 :
public true_type { };
495 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
496 struct is_function<_Res(_ArgTypes......) const && _GLIBCXX_NOEXCEPT_QUAL>
497 :
public true_type { };
499 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
500 struct is_function<_Res(_ArgTypes...) volatile _GLIBCXX_NOEXCEPT_QUAL>
501 :
public true_type { };
503 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
504 struct is_function<_Res(_ArgTypes...) volatile & _GLIBCXX_NOEXCEPT_QUAL>
505 :
public true_type { };
507 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
508 struct is_function<_Res(_ArgTypes...) volatile && _GLIBCXX_NOEXCEPT_QUAL>
509 :
public true_type { };
511 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
512 struct is_function<_Res(_ArgTypes......) volatile _GLIBCXX_NOEXCEPT_QUAL>
513 :
public true_type { };
515 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
516 struct is_function<_Res(_ArgTypes......) volatile & _GLIBCXX_NOEXCEPT_QUAL>
517 :
public true_type { };
519 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
520 struct is_function<_Res(_ArgTypes......) volatile && _GLIBCXX_NOEXCEPT_QUAL>
521 :
public true_type { };
523 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
524 struct is_function<_Res(_ArgTypes...) const volatile _GLIBCXX_NOEXCEPT_QUAL>
525 :
public true_type { };
527 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
528 struct is_function<_Res(_ArgTypes...) const volatile & _GLIBCXX_NOEXCEPT_QUAL>
529 :
public true_type { };
531 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
532 struct is_function<_Res(_ArgTypes...) const volatile && _GLIBCXX_NOEXCEPT_QUAL>
533 :
public true_type { };
535 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
536 struct is_function<_Res(_ArgTypes......) const volatile _GLIBCXX_NOEXCEPT_QUAL>
537 :
public true_type { };
539 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
540 struct is_function<_Res(_ArgTypes......) const volatile & _GLIBCXX_NOEXCEPT_QUAL>
541 :
public true_type { };
543 template<
typename _Res,
typename... _ArgTypes _GLIBCXX_NOEXCEPT_PARM>
544 struct is_function<_Res(_ArgTypes......) const volatile && _GLIBCXX_NOEXCEPT_QUAL>
545 :
public true_type { };
547 #define __cpp_lib_is_null_pointer 201309 550 struct __is_null_pointer_helper
551 :
public false_type { };
554 struct __is_null_pointer_helper<std::nullptr_t>
555 :
public true_type { };
558 template<
typename _Tp>
560 :
public __is_null_pointer_helper<typename remove_cv<_Tp>::type>::type
564 template<
typename _Tp>
572 template<
typename _Tp>
574 :
public __or_<is_lvalue_reference<_Tp>,
575 is_rvalue_reference<_Tp>>::type
579 template<
typename _Tp>
581 :
public __or_<is_integral<_Tp>, is_floating_point<_Tp>>::type
585 template<
typename _Tp>
587 :
public __or_<is_arithmetic<_Tp>, is_void<_Tp>,
588 is_null_pointer<_Tp>>::type
592 template<
typename _Tp>
594 :
public __not_<__or_<is_function<_Tp>, is_reference<_Tp>,
602 template<
typename _Tp>
604 :
public __or_<is_arithmetic<_Tp>, is_enum<_Tp>, is_pointer<_Tp>,
605 is_member_pointer<_Tp>, is_null_pointer<_Tp>>::type
609 template<
typename _Tp>
611 :
public __not_<is_fundamental<_Tp>>
::type { };
613 template<
typename _Tp>
614 struct __is_member_pointer_helper
615 :
public false_type { };
617 template<
typename _Tp,
typename _Cp>
618 struct __is_member_pointer_helper<_Tp _Cp::*>
619 :
public true_type { };
622 template<
typename _Tp>
624 :
public __is_member_pointer_helper<typename remove_cv<_Tp>::type>
::type 629 template<
typename _Tp>
630 struct __is_referenceable
631 :
public __or_<is_object<_Tp>, is_reference<_Tp>>
::type 634 template<
typename _Res,
typename... _Args _GLIBCXX_NOEXCEPT_PARM>
635 struct __is_referenceable<_Res(_Args...) _GLIBCXX_NOEXCEPT_QUAL>
639 template<
typename _Res,
typename... _Args _GLIBCXX_NOEXCEPT_PARM>
640 struct __is_referenceable<_Res(_Args......) _GLIBCXX_NOEXCEPT_QUAL>
649 :
public false_type { };
651 template<
typename _Tp>
653 :
public true_type { };
658 :
public false_type { };
660 template<
typename _Tp>
662 :
public true_type { };
665 template<
typename _Tp>
671 template<
typename _Tp>
672 struct is_trivially_copyable
677 template<
typename _Tp>
684 template<
typename _Tp>
690 template<
typename _Tp>
696 template<
typename _Tp>
702 template<
typename _Tp>
707 #if __cplusplus >= 201402L 708 #define __cpp_lib_is_final 201402L 710 template<
typename _Tp>
717 template<
typename _Tp>
722 template<
typename _Tp,
724 struct __is_signed_helper
725 :
public false_type { };
727 template<
typename _Tp>
728 struct __is_signed_helper<_Tp, true>
733 template<typename _Tp>
735 : public __is_signed_helper<_Tp>::type
739 template<typename _Tp>
741 : public __and_<is_arithmetic<_Tp>, __not_<is_signed<_Tp>>>
752 template<typename _Tp, typename _Up = _Tp&&>
756 template<typename _Tp>
760 template<typename _Tp>
761 auto declval() noexcept -> decltype(__declval<_Tp>(0));
763 template<typename, unsigned = 0>
769 template<typename _Tp>
770 struct __is_array_known_bounds
774 template<
typename _Tp>
775 struct __is_array_unknown_bounds
776 :
public __and_<is_array<_Tp>, __not_<extent<_Tp>>>
784 struct __do_is_destructible_impl
786 template<
typename _Tp,
typename = decltype(declval<_Tp&>().~_Tp())>
787 static true_type __test(
int);
790 static false_type __test(...);
793 template<
typename _Tp>
794 struct __is_destructible_impl
795 :
public __do_is_destructible_impl
797 typedef decltype(__test<_Tp>(0)) type;
800 template<
typename _Tp,
801 bool = __or_<is_void<_Tp>,
802 __is_array_unknown_bounds<_Tp>,
805 struct __is_destructible_safe;
807 template<
typename _Tp>
808 struct __is_destructible_safe<_Tp, false, false>
809 :
public __is_destructible_impl<typename
810 remove_all_extents<_Tp>::type>::type
813 template<
typename _Tp>
814 struct __is_destructible_safe<_Tp, true, false>
815 :
public false_type { };
817 template<
typename _Tp>
818 struct __is_destructible_safe<_Tp, false, true>
819 :
public true_type { };
822 template<
typename _Tp>
824 :
public __is_destructible_safe<_Tp>::type
831 struct __do_is_nt_destructible_impl
833 template<
typename _Tp>
838 static false_type __test(...);
841 template<
typename _Tp>
842 struct __is_nt_destructible_impl
843 :
public __do_is_nt_destructible_impl
845 typedef decltype(__test<_Tp>(0)) type;
848 template<
typename _Tp,
849 bool = __or_<is_void<_Tp>,
850 __is_array_unknown_bounds<_Tp>,
853 struct __is_nt_destructible_safe;
855 template<
typename _Tp>
856 struct __is_nt_destructible_safe<_Tp, false, false>
857 :
public __is_nt_destructible_impl<typename
858 remove_all_extents<_Tp>::type>::type
861 template<
typename _Tp>
862 struct __is_nt_destructible_safe<_Tp, true, false>
863 :
public false_type { };
865 template<
typename _Tp>
866 struct __is_nt_destructible_safe<_Tp, false, true>
867 :
public true_type { };
870 template<
typename _Tp>
872 :
public __is_nt_destructible_safe<_Tp>::type
875 struct __do_is_default_constructible_impl
877 template<
typename _Tp,
typename = decltype(_Tp())>
878 static true_type __test(
int);
881 static false_type __test(...);
884 template<
typename _Tp>
885 struct __is_default_constructible_impl
886 :
public __do_is_default_constructible_impl
888 typedef decltype(__test<_Tp>(0)) type;
891 template<
typename _Tp>
892 struct __is_default_constructible_atom
893 :
public __and_<__not_<is_void<_Tp>>,
894 __is_default_constructible_impl<_Tp>>
897 template<typename _Tp, bool = is_array<_Tp>::value>
898 struct __is_default_constructible_safe;
905 template<
typename _Tp>
906 struct __is_default_constructible_safe<_Tp, true>
907 :
public __and_<__is_array_known_bounds<_Tp>,
908 __is_default_constructible_atom<typename
909 remove_all_extents<_Tp>::type>>
912 template<
typename _Tp>
913 struct __is_default_constructible_safe<_Tp, false>
914 :
public __is_default_constructible_atom<_Tp>::type
918 template<
typename _Tp>
920 :
public __is_default_constructible_safe<_Tp>::type
924 template<
typename _Tp,
typename... _Args>
926 :
public __bool_constant<__is_constructible(_Tp, _Args...)>
929 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
930 struct __is_copy_constructible_impl;
932 template<
typename _Tp>
933 struct __is_copy_constructible_impl<_Tp, false>
934 :
public false_type { };
936 template<
typename _Tp>
937 struct __is_copy_constructible_impl<_Tp, true>
942 template<
typename _Tp>
944 :
public __is_copy_constructible_impl<_Tp>
947 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
948 struct __is_move_constructible_impl;
950 template<
typename _Tp>
951 struct __is_move_constructible_impl<_Tp, false>
952 :
public false_type { };
954 template<
typename _Tp>
955 struct __is_move_constructible_impl<_Tp, true>
960 template<
typename _Tp>
962 :
public __is_move_constructible_impl<_Tp>
965 template<
typename _Tp>
966 struct __is_nt_default_constructible_atom
970 template<typename _Tp, bool = is_array<_Tp>::value>
971 struct __is_nt_default_constructible_impl;
973 template<
typename _Tp>
974 struct __is_nt_default_constructible_impl<_Tp, true>
975 :
public __and_<__is_array_known_bounds<_Tp>,
976 __is_nt_default_constructible_atom<typename
977 remove_all_extents<_Tp>::type>>
980 template<
typename _Tp>
981 struct __is_nt_default_constructible_impl<_Tp, false>
982 :
public __is_nt_default_constructible_atom<_Tp>
986 template<
typename _Tp>
988 :
public __and_<is_default_constructible<_Tp>,
989 __is_nt_default_constructible_impl<_Tp>>
992 template<
typename _Tp,
typename... _Args>
993 struct __is_nt_constructible_impl
997 template<
typename _Tp,
typename _Arg>
998 struct __is_nt_constructible_impl<_Tp, _Arg>
1000 noexcept(static_cast<_Tp>(declval<_Arg>()))>
1003 template<
typename _Tp>
1004 struct __is_nt_constructible_impl<_Tp>
1009 template<
typename _Tp,
typename... _Args>
1011 :
public __and_<is_constructible<_Tp, _Args...>,
1012 __is_nt_constructible_impl<_Tp, _Args...>>
1015 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1016 struct __is_nothrow_copy_constructible_impl;
1018 template<
typename _Tp>
1019 struct __is_nothrow_copy_constructible_impl<_Tp, false>
1020 :
public false_type { };
1022 template<
typename _Tp>
1023 struct __is_nothrow_copy_constructible_impl<_Tp, true>
1028 template<
typename _Tp>
1030 :
public __is_nothrow_copy_constructible_impl<_Tp>
1033 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1034 struct __is_nothrow_move_constructible_impl;
1036 template<
typename _Tp>
1037 struct __is_nothrow_move_constructible_impl<_Tp, false>
1038 :
public false_type { };
1040 template<
typename _Tp>
1041 struct __is_nothrow_move_constructible_impl<_Tp, true>
1046 template<
typename _Tp>
1048 :
public __is_nothrow_move_constructible_impl<_Tp>
1052 template<
typename _Tp,
typename _Up>
1054 :
public __bool_constant<__is_assignable(_Tp, _Up)>
1057 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1058 struct __is_copy_assignable_impl;
1060 template<
typename _Tp>
1061 struct __is_copy_assignable_impl<_Tp, false>
1062 :
public false_type { };
1064 template<
typename _Tp>
1065 struct __is_copy_assignable_impl<_Tp, true>
1070 template<
typename _Tp>
1072 :
public __is_copy_assignable_impl<_Tp>
1075 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1076 struct __is_move_assignable_impl;
1078 template<
typename _Tp>
1079 struct __is_move_assignable_impl<_Tp, false>
1080 :
public false_type { };
1082 template<
typename _Tp>
1083 struct __is_move_assignable_impl<_Tp, true>
1088 template<
typename _Tp>
1090 :
public __is_move_assignable_impl<_Tp>
1093 template<
typename _Tp,
typename _Up>
1094 struct __is_nt_assignable_impl
1099 template<
typename _Tp,
typename _Up>
1101 :
public __and_<is_assignable<_Tp, _Up>,
1102 __is_nt_assignable_impl<_Tp, _Up>>
1105 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1106 struct __is_nt_copy_assignable_impl;
1108 template<
typename _Tp>
1109 struct __is_nt_copy_assignable_impl<_Tp, false>
1110 :
public false_type { };
1112 template<
typename _Tp>
1113 struct __is_nt_copy_assignable_impl<_Tp, true>
1118 template<
typename _Tp>
1120 :
public __is_nt_copy_assignable_impl<_Tp>
1123 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1124 struct __is_nt_move_assignable_impl;
1126 template<
typename _Tp>
1127 struct __is_nt_move_assignable_impl<_Tp, false>
1128 :
public false_type { };
1130 template<
typename _Tp>
1131 struct __is_nt_move_assignable_impl<_Tp, true>
1136 template<
typename _Tp>
1138 :
public __is_nt_move_assignable_impl<_Tp>
1142 template<
typename _Tp,
typename... _Args>
1144 :
public __bool_constant<__is_trivially_constructible(_Tp, _Args...)>
1148 template<
typename _Tp>
1153 struct __do_is_implicitly_default_constructible_impl
1155 template <
typename _Tp>
1156 static void __helper(
const _Tp&);
1158 template <
typename _Tp>
1159 static true_type __test(
const _Tp&,
1160 decltype(__helper<const _Tp&>({}))* = 0);
1162 static false_type __test(...);
1165 template<
typename _Tp>
1166 struct __is_implicitly_default_constructible_impl
1167 :
public __do_is_implicitly_default_constructible_impl
1169 typedef decltype(__test(declval<_Tp>())) type;
1172 template<
typename _Tp>
1173 struct __is_implicitly_default_constructible_safe
1174 :
public __is_implicitly_default_constructible_impl<_Tp>::type
1177 template <
typename _Tp>
1178 struct __is_implicitly_default_constructible
1179 :
public __and_<is_default_constructible<_Tp>,
1180 __is_implicitly_default_constructible_safe<_Tp>>
1185 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1188 template<
typename _Tp>
1190 :
public false_type { };
1192 template<
typename _Tp>
1194 :
public __and_<is_copy_constructible<_Tp>,
1195 integral_constant<bool,
1196 __is_trivially_constructible(_Tp, const _Tp&)>>
1199 template<
typename _Tp>
1200 struct is_trivially_copy_constructible
1206 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1209 template<
typename _Tp>
1211 :
public false_type { };
1213 template<
typename _Tp>
1215 :
public __and_<is_move_constructible<_Tp>,
1216 integral_constant<bool,
1217 __is_trivially_constructible(_Tp, _Tp&&)>>
1220 template<
typename _Tp>
1221 struct is_trivially_move_constructible
1226 template<
typename _Tp,
typename _Up>
1228 :
public __bool_constant<__is_trivially_assignable(_Tp, _Up)>
1233 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1236 template<
typename _Tp>
1238 :
public false_type { };
1240 template<
typename _Tp>
1242 :
public __bool_constant<__is_trivially_assignable(_Tp&, const _Tp&)>
1245 template<
typename _Tp>
1246 struct is_trivially_copy_assignable
1252 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1255 template<
typename _Tp>
1257 :
public false_type { };
1259 template<
typename _Tp>
1261 :
public __bool_constant<__is_trivially_assignable(_Tp&, _Tp&&)>
1264 template<
typename _Tp>
1265 struct is_trivially_move_assignable
1270 template<
typename _Tp>
1272 :
public __and_<is_destructible<_Tp>,
1273 __bool_constant<__has_trivial_destructor(_Tp)>>
1278 template<
typename _Tp>
1287 template<
typename _Tp>
1296 template<
typename _Tp, std::
size_t _Size>
1297 struct rank<_Tp[_Size]>
1300 template<
typename _Tp>
1305 template<
typename,
unsigned _U
int>
1309 template<
typename _Tp,
unsigned _U
int, std::
size_t _Size>
1310 struct extent<_Tp[_Size], _Uint>
1312 _Uint == 0 ? _Size : extent<_Tp,
1316 template<
typename _Tp,
unsigned _U
int>
1317 struct extent<_Tp[], _Uint>
1319 _Uint == 0 ? 0 : extent<_Tp,
1327 template<
typename,
typename>
1329 :
public false_type { };
1331 template<
typename _Tp>
1333 :
public true_type { };
1336 template<
typename _Base,
typename _Derived>
1341 template<
typename _From,
typename _To,
1344 struct __is_convertible_helper
1347 #if __cplusplus > 201703L 1348 typedef type __is_nothrow_type;
1352 template<
typename _From,
typename _To>
1353 class __is_convertible_helper<_From, _To, false>
1355 template<
typename _To1>
1356 static void __test_aux(_To1) noexcept;
1358 template<
typename _From1,
typename _To1,
1359 typename = decltype(__test_aux<_To1>(std::declval<_From1>()))>
1363 template<
typename,
typename>
1367 #if __cplusplus > 201703L 1368 template<
typename _From1,
typename _To1,
1369 bool _NoEx = noexcept(__test_aux<_To1>(std::declval<_From1>()))>
1371 __test_nothrow(
int);
1373 template<
typename,
typename>
1375 __test_nothrow(...);
1379 typedef decltype(__test<_From, _To>(0))
type;
1381 #if __cplusplus > 201703L 1382 typedef decltype(__test_nothrow<_From, _To>(0)) __is_nothrow_type;
1388 template<
typename _From,
typename _To>
1390 :
public __is_convertible_helper<_From, _To>::type
1393 #if __cplusplus > 201703L 1395 template<
typename _From,
typename _To>
1396 struct is_nothrow_convertible
1397 :
public __is_convertible_helper<_From, _To>::__is_nothrow_type
1401 template<
typename _From,
typename _To>
1402 inline constexpr
bool is_nothrow_convertible_v
1403 = is_nothrow_convertible<_From, _To>::value;
1409 template<
typename _Tp>
1411 {
typedef _Tp type; };
1413 template<
typename _Tp>
1415 {
typedef _Tp type; };
1418 template<
typename _Tp>
1420 {
typedef _Tp type; };
1422 template<
typename _Tp>
1424 {
typedef _Tp type; };
1427 template<
typename _Tp>
1435 template<
typename _Tp>
1437 {
typedef _Tp
const type; };
1440 template<
typename _Tp>
1442 {
typedef _Tp
volatile type; };
1445 template<
typename _Tp>
1452 #if __cplusplus > 201103L 1454 #define __cpp_lib_transformation_trait_aliases 201304 1457 template<
typename _Tp>
1461 template<
typename _Tp>
1465 template<
typename _Tp>
1469 template<
typename _Tp>
1473 template<
typename _Tp>
1477 template<
typename _Tp>
1484 template<
typename _Tp>
1486 {
typedef _Tp type; };
1488 template<
typename _Tp>
1490 {
typedef _Tp type; };
1492 template<
typename _Tp>
1494 {
typedef _Tp type; };
1496 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1497 struct __add_lvalue_reference_helper
1498 {
typedef _Tp type; };
1500 template<
typename _Tp>
1501 struct __add_lvalue_reference_helper<_Tp, true>
1502 {
typedef _Tp& type; };
1505 template<
typename _Tp>
1507 :
public __add_lvalue_reference_helper<_Tp>
1510 template<typename _Tp, bool = __is_referenceable<_Tp>::value>
1511 struct __add_rvalue_reference_helper
1512 {
typedef _Tp type; };
1514 template<
typename _Tp>
1515 struct __add_rvalue_reference_helper<_Tp, true>
1516 {
typedef _Tp&& type; };
1519 template<
typename _Tp>
1521 :
public __add_rvalue_reference_helper<_Tp>
1524 #if __cplusplus > 201103L 1526 template<
typename _Tp>
1530 template<
typename _Tp>
1534 template<
typename _Tp>
1541 template<
typename _Unqualified,
bool _IsConst,
bool _IsVol>
1542 struct __cv_selector;
1544 template<
typename _Unqualified>
1545 struct __cv_selector<_Unqualified, false, false>
1546 {
typedef _Unqualified __type; };
1548 template<
typename _Unqualified>
1549 struct __cv_selector<_Unqualified, false, true>
1550 {
typedef volatile _Unqualified __type; };
1552 template<
typename _Unqualified>
1553 struct __cv_selector<_Unqualified, true, false>
1554 {
typedef const _Unqualified __type; };
1556 template<
typename _Unqualified>
1557 struct __cv_selector<_Unqualified, true, true>
1558 {
typedef const volatile _Unqualified __type; };
1560 template<
typename _Qualified,
typename _Unqualified,
1563 class __match_cv_qualifiers
1565 typedef __cv_selector<_Unqualified, _IsConst, _IsVol> __match;
1568 typedef typename __match::__type __type;
1572 template<
typename _Tp>
1573 struct __make_unsigned
1574 {
typedef _Tp __type; };
1577 struct __make_unsigned<char>
1578 {
typedef unsigned char __type; };
1581 struct __make_unsigned<signed char>
1582 {
typedef unsigned char __type; };
1585 struct __make_unsigned<short>
1586 {
typedef unsigned short __type; };
1589 struct __make_unsigned<int>
1590 {
typedef unsigned int __type; };
1593 struct __make_unsigned<long>
1594 {
typedef unsigned long __type; };
1597 struct __make_unsigned<long long>
1598 {
typedef unsigned long long __type; };
1600 #if defined(__GLIBCXX_TYPE_INT_N_0) 1602 struct __make_unsigned<__GLIBCXX_TYPE_INT_N_0>
1603 {
typedef unsigned __GLIBCXX_TYPE_INT_N_0 __type; };
1605 #if defined(__GLIBCXX_TYPE_INT_N_1) 1607 struct __make_unsigned<__GLIBCXX_TYPE_INT_N_1>
1608 {
typedef unsigned __GLIBCXX_TYPE_INT_N_1 __type; };
1610 #if defined(__GLIBCXX_TYPE_INT_N_2) 1612 struct __make_unsigned<__GLIBCXX_TYPE_INT_N_2>
1613 {
typedef unsigned __GLIBCXX_TYPE_INT_N_2 __type; };
1615 #if defined(__GLIBCXX_TYPE_INT_N_3) 1617 struct __make_unsigned<__GLIBCXX_TYPE_INT_N_3>
1618 {
typedef unsigned __GLIBCXX_TYPE_INT_N_3 __type; };
1622 template<
typename _Tp,
1625 class __make_unsigned_selector;
1627 template<
typename _Tp>
1628 class __make_unsigned_selector<_Tp, true, false>
1630 using __unsigned_type
1631 =
typename __make_unsigned<typename remove_cv<_Tp>::type>::__type;
1635 =
typename __match_cv_qualifiers<_Tp, __unsigned_type>::__type;
1638 class __make_unsigned_selector_base
1641 template<
typename...>
struct _List { };
1643 template<
typename _Tp,
typename... _Up>
1644 struct _List<_Tp, _Up...> : _List<_Up...>
1645 {
static constexpr
size_t __size =
sizeof(_Tp); };
1647 template<
size_t _Sz,
typename _Tp,
bool = (_Sz <= _Tp::__size)>
1650 template<
size_t _Sz,
typename _U
int,
typename... _UInts>
1651 struct __select<_Sz, _List<_Uint, _UInts...>,
true>
1652 {
using __type = _Uint; };
1654 template<
size_t _Sz,
typename _Uint,
typename... _UInts>
1655 struct __select<_Sz, _List<_Uint, _UInts...>, false>
1656 : __select<_Sz, _List<_UInts...>>
1661 template<
typename _Tp>
1662 class __make_unsigned_selector<_Tp, false, true>
1663 : __make_unsigned_selector_base
1666 using _UInts = _List<
unsigned char,
unsigned short,
unsigned int,
1667 unsigned long,
unsigned long long>;
1669 using __unsigned_type =
typename __select<sizeof(_Tp), _UInts>::__type;
1673 =
typename __match_cv_qualifiers<_Tp, __unsigned_type>::__type;
1680 #if defined(_GLIBCXX_USE_WCHAR_T) 1682 struct __make_unsigned<wchar_t>
1685 =
typename __make_unsigned_selector<wchar_t, false, true>::__type;
1690 struct __make_unsigned<char16_t>
1693 =
typename __make_unsigned_selector<char16_t, false, true>::__type;
1697 struct __make_unsigned<char32_t>
1700 =
typename __make_unsigned_selector<char32_t, false, true>::__type;
1707 template<
typename _Tp>
1709 {
typedef typename __make_unsigned_selector<_Tp>::__type type; };
1717 template<
typename _Tp>
1718 struct __make_signed
1719 {
typedef _Tp __type; };
1722 struct __make_signed<char>
1723 {
typedef signed char __type; };
1726 struct __make_signed<unsigned char>
1727 {
typedef signed char __type; };
1730 struct __make_signed<unsigned short>
1731 {
typedef signed short __type; };
1734 struct __make_signed<unsigned int>
1735 {
typedef signed int __type; };
1738 struct __make_signed<unsigned long>
1739 {
typedef signed long __type; };
1742 struct __make_signed<unsigned long long>
1743 {
typedef signed long long __type; };
1745 #if defined(__GLIBCXX_TYPE_INT_N_0) 1747 struct __make_signed<unsigned __GLIBCXX_TYPE_INT_N_0>
1748 {
typedef __GLIBCXX_TYPE_INT_N_0 __type; };
1750 #if defined(__GLIBCXX_TYPE_INT_N_1) 1752 struct __make_signed<unsigned __GLIBCXX_TYPE_INT_N_1>
1753 {
typedef __GLIBCXX_TYPE_INT_N_1 __type; };
1755 #if defined(__GLIBCXX_TYPE_INT_N_2) 1757 struct __make_signed<unsigned __GLIBCXX_TYPE_INT_N_2>
1758 {
typedef __GLIBCXX_TYPE_INT_N_2 __type; };
1760 #if defined(__GLIBCXX_TYPE_INT_N_3) 1762 struct __make_signed<unsigned __GLIBCXX_TYPE_INT_N_3>
1763 {
typedef __GLIBCXX_TYPE_INT_N_3 __type; };
1767 template<
typename _Tp,
1770 class __make_signed_selector;
1772 template<
typename _Tp>
1773 class __make_signed_selector<_Tp, true, false>
1776 =
typename __make_signed<typename remove_cv<_Tp>::type>::__type;
1780 =
typename __match_cv_qualifiers<_Tp, __signed_type>::__type;
1784 template<
typename _Tp>
1785 class __make_signed_selector<_Tp, false, true>
1787 typedef typename __make_unsigned_selector<_Tp>::__type __unsigned_type;
1790 typedef typename __make_signed_selector<__unsigned_type>::__type __type;
1797 #if defined(_GLIBCXX_USE_WCHAR_T) 1799 struct __make_signed<wchar_t>
1802 =
typename __make_signed_selector<wchar_t, false, true>::__type;
1807 struct __make_signed<char16_t>
1810 =
typename __make_signed_selector<char16_t, false, true>::__type;
1814 struct __make_signed<char32_t>
1817 =
typename __make_signed_selector<char32_t, false, true>::__type;
1824 template<
typename _Tp>
1826 {
typedef typename __make_signed_selector<_Tp>::__type type; };
1832 #if __cplusplus > 201103L 1834 template<
typename _Tp>
1838 template<
typename _Tp>
1845 template<
typename _Tp>
1847 {
typedef _Tp type; };
1849 template<
typename _Tp, std::
size_t _Size>
1851 {
typedef _Tp type; };
1853 template<
typename _Tp>
1855 {
typedef _Tp type; };
1858 template<
typename _Tp>
1860 {
typedef _Tp type; };
1862 template<
typename _Tp, std::
size_t _Size>
1864 {
typedef typename remove_all_extents<_Tp>::type type; };
1866 template<
typename _Tp>
1868 {
typedef typename remove_all_extents<_Tp>::type type; };
1870 #if __cplusplus > 201103L 1872 template<
typename _Tp>
1876 template<
typename _Tp>
1882 template<
typename _Tp,
typename>
1883 struct __remove_pointer_helper
1884 {
typedef _Tp type; };
1886 template<
typename _Tp,
typename _Up>
1887 struct __remove_pointer_helper<_Tp, _Up*>
1888 {
typedef _Up type; };
1891 template<
typename _Tp>
1893 :
public __remove_pointer_helper<_Tp, typename remove_cv<_Tp>::type>
1897 template<
typename _Tp,
bool = __or_<__is_referenceable<_Tp>,
1898 is_
void<_Tp>>::value>
1900 {
typedef _Tp type; };
1902 template<
typename _Tp>
1904 {
typedef typename remove_reference<_Tp>::type* type; };
1906 template<
typename _Tp>
1911 #if __cplusplus > 201103L 1913 template<
typename _Tp>
1917 template<
typename _Tp>
1921 template<std::
size_t _Len>
1922 struct __aligned_storage_msa
1926 unsigned char __data[_Len];
1927 struct __attribute__((__aligned__)) { } __align;
1941 template<std::size_t _Len, std::size_t _Align =
1942 __alignof__(
typename __aligned_storage_msa<_Len>::__type)>
1947 unsigned char __data[_Len];
1948 struct __attribute__((__aligned__((_Align)))) { } __align;
1952 template <
typename... _Types>
1953 struct __strictest_alignment
1955 static const size_t _S_alignment = 0;
1956 static const size_t _S_size = 0;
1959 template <
typename _Tp,
typename... _Types>
1960 struct __strictest_alignment<_Tp, _Types...>
1962 static const size_t _S_alignment =
1963 alignof(_Tp) > __strictest_alignment<_Types...>::_S_alignment
1964 ?
alignof(_Tp) : __strictest_alignment<_Types...>::_S_alignment;
1965 static const size_t _S_size =
1966 sizeof(_Tp) > __strictest_alignment<_Types...>::_S_size
1967 ?
sizeof(_Tp) : __strictest_alignment<_Types...>::_S_size;
1980 template <
size_t _Len,
typename... _Types>
1984 static_assert(
sizeof...(_Types) != 0,
"At least one type is required");
1986 using __strictest = __strictest_alignment<_Types...>;
1987 static const size_t _S_len = _Len > __strictest::_S_size
1988 ? _Len : __strictest::_S_size;
1991 static const size_t alignment_value = __strictest::_S_alignment;
1996 template <
size_t _Len,
typename... _Types>
1997 const size_t aligned_union<_Len, _Types...>::alignment_value;
2001 template<
typename _Up,
2004 struct __decay_selector;
2007 template<
typename _Up>
2008 struct __decay_selector<_Up, false, false>
2009 {
typedef typename remove_cv<_Up>::type __type; };
2011 template<
typename _Up>
2012 struct __decay_selector<_Up, true, false>
2013 {
typedef typename remove_extent<_Up>::type* __type; };
2015 template<
typename _Up>
2016 struct __decay_selector<_Up, false, true>
2017 {
typedef typename add_pointer<_Up>::type __type; };
2020 template<
typename _Tp>
2023 typedef typename remove_reference<_Tp>::type __remove_type;
2026 typedef typename __decay_selector<__remove_type>::__type type;
2029 template<
typename _Tp>
2033 template<
typename _Tp>
2034 struct __strip_reference_wrapper
2039 template<
typename _Tp>
2042 typedef _Tp& __type;
2045 template<
typename _Tp>
2046 struct __decay_and_strip
2048 typedef typename __strip_reference_wrapper<
2049 typename decay<_Tp>::type>::__type __type;
2055 template<
bool,
typename _Tp =
void>
2060 template<
typename _Tp>
2062 {
typedef _Tp type; };
2064 template<
typename... _Cond>
2065 using _Require =
typename enable_if<__and_<_Cond...>::value>::type;
2069 template<
bool _Cond,
typename _Iftrue,
typename _Iffalse>
2071 {
typedef _Iftrue type; };
2074 template<
typename _Iftrue,
typename _Iffalse>
2076 {
typedef _Iffalse type; };
2079 template<
typename... _Tp>
2084 struct __do_common_type_impl
2086 template<
typename _Tp,
typename _Up>
2087 static __success_type<
typename decay<decltype
2088 (
true ? std::declval<_Tp>()
2089 : std::declval<_Up>())>::type> _S_test(
int);
2091 template<
typename,
typename>
2092 static __failure_type _S_test(...);
2095 template<
typename _Tp,
typename _Up>
2096 struct __common_type_impl
2097 :
private __do_common_type_impl
2099 typedef decltype(_S_test<_Tp, _Up>(0)) type;
2102 struct __do_member_type_wrapper
2104 template<
typename _Tp>
2105 static __success_type<typename _Tp::type> _S_test(
int);
2108 static __failure_type _S_test(...);
2111 template<
typename _Tp>
2112 struct __member_type_wrapper
2113 :
private __do_member_type_wrapper
2115 typedef decltype(_S_test<_Tp>(0)) type;
2118 template<typename _CTp, typename... _Args>
2119 struct __expanded_common_type_wrapper
2121 typedef common_type<
typename _CTp::type, _Args...> type;
2124 template<
typename... _Args>
2125 struct __expanded_common_type_wrapper<__failure_type, _Args...>
2126 {
typedef __failure_type type; };
2128 template<
typename _Tp>
2130 {
typedef typename decay<_Tp>::type type; };
2132 template<
typename _Tp,
typename _Up>
2134 :
public __common_type_impl<_Tp, _Up>::type
2137 template<
typename _Tp,
typename _Up,
typename... _Vp>
2139 :
public __expanded_common_type_wrapper<typename __member_type_wrapper<
2140 common_type<_Tp, _Up>>::type, _Vp...>::type
2144 template<
typename _Tp>
2147 typedef __underlying_type(_Tp) type;
2150 template<
typename _Tp>
2151 struct __declval_protector
2153 static const bool __stop =
false;
2156 template<
typename _Tp>
2157 auto declval() noexcept -> decltype(__declval<_Tp>(0))
2159 static_assert(__declval_protector<_Tp>::__stop,
2160 "declval() must not be used!");
2161 return __declval<_Tp>(0);
2165 template<
typename _Tp>
2166 using __remove_cvref_t
2170 template<
typename _Signature>
2175 #define __cpp_lib_result_of_sfinae 201210 2177 struct __invoke_memfun_ref { };
2178 struct __invoke_memfun_deref { };
2179 struct __invoke_memobj_ref { };
2180 struct __invoke_memobj_deref { };
2181 struct __invoke_other { };
2184 template<
typename _Tp,
typename _Tag>
2185 struct __result_of_success : __success_type<_Tp>
2186 {
using __invoke_type = _Tag; };
2189 struct __result_of_memfun_ref_impl
2191 template<
typename _Fp,
typename _Tp1,
typename... _Args>
2192 static __result_of_success<decltype(
2193 (std::declval<_Tp1>().*std::declval<_Fp>())(std::declval<_Args>()...)
2194 ), __invoke_memfun_ref> _S_test(
int);
2196 template<
typename...>
2197 static __failure_type _S_test(...);
2200 template<
typename _MemPtr,
typename _Arg,
typename... _Args>
2201 struct __result_of_memfun_ref
2202 :
private __result_of_memfun_ref_impl
2204 typedef decltype(_S_test<_MemPtr, _Arg, _Args...>(0)) type;
2208 struct __result_of_memfun_deref_impl
2210 template<
typename _Fp,
typename _Tp1,
typename... _Args>
2211 static __result_of_success<decltype(
2212 ((*std::declval<_Tp1>()).*std::declval<_Fp>())(std::declval<_Args>()...)
2213 ), __invoke_memfun_deref> _S_test(
int);
2215 template<
typename...>
2216 static __failure_type _S_test(...);
2219 template<
typename _MemPtr,
typename _Arg,
typename... _Args>
2220 struct __result_of_memfun_deref
2221 :
private __result_of_memfun_deref_impl
2223 typedef decltype(_S_test<_MemPtr, _Arg, _Args...>(0)) type;
2227 struct __result_of_memobj_ref_impl
2229 template<
typename _Fp,
typename _Tp1>
2230 static __result_of_success<decltype(
2231 std::declval<_Tp1>().*std::declval<_Fp>()
2232 ), __invoke_memobj_ref> _S_test(
int);
2234 template<
typename,
typename>
2235 static __failure_type _S_test(...);
2238 template<
typename _MemPtr,
typename _Arg>
2239 struct __result_of_memobj_ref
2240 :
private __result_of_memobj_ref_impl
2242 typedef decltype(_S_test<_MemPtr, _Arg>(0)) type;
2246 struct __result_of_memobj_deref_impl
2248 template<
typename _Fp,
typename _Tp1>
2249 static __result_of_success<decltype(
2250 (*std::declval<_Tp1>()).*std::declval<_Fp>()
2251 ), __invoke_memobj_deref> _S_test(
int);
2253 template<
typename,
typename>
2254 static __failure_type _S_test(...);
2257 template<
typename _MemPtr,
typename _Arg>
2258 struct __result_of_memobj_deref
2259 :
private __result_of_memobj_deref_impl
2261 typedef decltype(_S_test<_MemPtr, _Arg>(0)) type;
2264 template<typename _MemPtr, typename _Arg>
2265 struct __result_of_memobj;
2267 template<typename _Res, typename _Class, typename _Arg>
2268 struct __result_of_memobj<_Res _Class::*, _Arg>
2270 typedef __remove_cvref_t<_Arg> _Argval;
2271 typedef _Res _Class::* _MemPtr;
2274 __result_of_memobj_ref<_MemPtr, _Arg>,
2275 __result_of_memobj_deref<_MemPtr, _Arg>
2279 template<
typename _MemPtr,
typename _Arg,
typename... _Args>
2280 struct __result_of_memfun;
2282 template<
typename _Res,
typename _Class,
typename _Arg,
typename... _Args>
2283 struct __result_of_memfun<_Res _Class::*, _Arg, _Args...>
2285 typedef __remove_cvref_t<_Arg> _Argval;
2286 typedef _Res _Class::* _MemPtr;
2289 __result_of_memfun_ref<_MemPtr, _Arg, _Args...>,
2290 __result_of_memfun_deref<_MemPtr, _Arg, _Args...>
2299 template<typename _Tp, typename _Up = typename decay<_Tp>::type>
2305 template<
typename _Tp,
typename _Up>
2311 template<bool, bool,
typename _Functor,
typename... _ArgTypes>
2312 struct __result_of_impl
2314 typedef __failure_type type;
2317 template<
typename _MemPtr,
typename _Arg>
2318 struct __result_of_impl<true, false, _MemPtr, _Arg>
2319 :
public __result_of_memobj<typename decay<_MemPtr>::type,
2320 typename __inv_unwrap<_Arg>::type>
2323 template<
typename _MemPtr,
typename _Arg,
typename... _Args>
2324 struct __result_of_impl<false, true, _MemPtr, _Arg, _Args...>
2325 :
public __result_of_memfun<typename decay<_MemPtr>::type,
2326 typename __inv_unwrap<_Arg>::type, _Args...>
2330 struct __result_of_other_impl
2332 template<
typename _Fn,
typename... _Args>
2333 static __result_of_success<decltype(
2334 std::declval<_Fn>()(std::declval<_Args>()...)
2335 ), __invoke_other> _S_test(
int);
2337 template<
typename...>
2338 static __failure_type _S_test(...);
2341 template<
typename _Functor,
typename... _ArgTypes>
2342 struct __result_of_impl<false, false, _Functor, _ArgTypes...>
2343 :
private __result_of_other_impl
2345 typedef decltype(_S_test<_Functor, _ArgTypes...>(0)) type;
2349 template<typename _Functor, typename... _ArgTypes>
2350 struct __invoke_result
2351 : public __result_of_impl<
2358 _Functor, _ArgTypes...
2362 template<
typename _Functor,
typename... _ArgTypes>
2363 struct result_of<_Functor(_ArgTypes...)>
2364 :
public __invoke_result<_Functor, _ArgTypes...>
2367 #if __cplusplus >= 201402L 2369 template<
size_t _Len,
size_t _Align =
2370 __alignof__(
typename __aligned_storage_msa<_Len>::__type)>
2373 template <
size_t _Len,
typename... _Types>
2374 using aligned_union_t =
typename aligned_union<_Len, _Types...>::type;
2377 template<
typename _Tp>
2381 template<
bool _Cond,
typename _Tp =
void>
2385 template<
bool _Cond,
typename _Iftrue,
typename _Iffalse>
2389 template<
typename... _Tp>
2393 template<
typename _Tp>
2397 template<
typename _Tp>
2402 template<
bool _Cond,
typename _Tp =
void>
2406 template<
typename...>
using __void_t = void;
2408 #if __cplusplus >= 201703L || !defined(__STRICT_ANSI__) // c++17 or gnu++11 2409 #define __cpp_lib_void_t 201411 2415 template<
typename _Default,
typename _AlwaysVoid,
2416 template<
typename...>
class _Op,
typename... _Args>
2420 using type = _Default;
2424 template<
typename _Default,
template<
typename...>
class _Op,
2426 struct __detector<_Default, __void_t<_Op<_Args...>>, _Op, _Args...>
2429 using type = _Op<_Args...>;
2433 template<
typename _Default,
template<
typename...>
class _Op,
2438 template<
typename _Default,
template<
typename...>
class _Op,
2440 using __detected_or_t
2441 =
typename __detected_or<_Default, _Op, _Args...>::type;
2449 #define _GLIBCXX_HAS_NESTED_TYPE(_NTYPE) \ 2450 template<typename _Tp, typename = __void_t<>> \ 2451 struct __has_##_NTYPE \ 2454 template<typename _Tp> \ 2455 struct __has_##_NTYPE<_Tp, __void_t<typename _Tp::_NTYPE>> \ 2459 template <
typename _Tp>
2460 struct __is_swappable;
2462 template <
typename _Tp>
2463 struct __is_nothrow_swappable;
2465 template<
typename... _Elements>
2469 struct __is_tuple_like_impl : false_type
2472 template<
typename... _Tps>
2473 struct __is_tuple_like_impl<tuple<_Tps...>> : true_type
2477 template<
typename _Tp>
2478 struct __is_tuple_like
2479 :
public __is_tuple_like_impl<__remove_cvref_t<_Tp>>::type
2482 template<
typename _Tp>
2484 typename enable_if<__and_<__not_<__is_tuple_like<_Tp>>,
2485 is_move_constructible<_Tp>,
2486 is_move_assignable<_Tp>>::value>::type
2488 noexcept(__and_<is_nothrow_move_constructible<_Tp>,
2489 is_nothrow_move_assignable<_Tp>>::value);
2491 template<
typename _Tp,
size_t _Nm>
2493 typename enable_if<__is_swappable<_Tp>::value>::type
2494 swap(_Tp (&__a)[_Nm], _Tp (&__b)[_Nm])
2495 noexcept(__is_nothrow_swappable<_Tp>::value);
2497 namespace __swappable_details {
2500 struct __do_is_swappable_impl
2502 template<
typename _Tp,
typename 2503 = decltype(swap(std::declval<_Tp&>(), std::declval<_Tp&>()))>
2504 static true_type __test(
int);
2507 static false_type __test(...);
2510 struct __do_is_nothrow_swappable_impl
2512 template<
typename _Tp>
2513 static __bool_constant<
2514 noexcept(swap(std::declval<_Tp&>(), std::declval<_Tp&>()))
2518 static false_type __test(...);
2523 template<
typename _Tp>
2524 struct __is_swappable_impl
2525 :
public __swappable_details::__do_is_swappable_impl
2527 typedef decltype(__test<_Tp>(0)) type;
2530 template<typename _Tp>
2531 struct __is_nothrow_swappable_impl
2532 : public __swappable_details::__do_is_nothrow_swappable_impl
2534 typedef decltype(__test<_Tp>(0)) type;
2537 template<typename _Tp>
2538 struct __is_swappable
2539 : public __is_swappable_impl<_Tp>::type
2542 template<
typename _Tp>
2543 struct __is_nothrow_swappable
2544 :
public __is_nothrow_swappable_impl<_Tp>::type
2547 #if __cplusplus > 201402L || !defined(__STRICT_ANSI__) // c++1z or gnu++11 2548 #define __cpp_lib_is_swappable 201603 2552 template<
typename _Tp>
2554 :
public __is_swappable_impl<_Tp>::type
2558 template<
typename _Tp>
2560 :
public __is_nothrow_swappable_impl<_Tp>::type
2563 #if __cplusplus >= 201402L 2565 template<
typename _Tp>
2570 template<
typename _Tp>
2573 #endif // __cplusplus >= 201402L 2575 namespace __swappable_with_details {
2578 struct __do_is_swappable_with_impl
2580 template<
typename _Tp,
typename _Up,
typename 2581 = decltype(swap(std::declval<_Tp>(), std::declval<_Up>())),
2583 = decltype(swap(std::declval<_Up>(), std::declval<_Tp>()))>
2584 static true_type __test(
int);
2586 template<
typename,
typename>
2587 static false_type __test(...);
2590 struct __do_is_nothrow_swappable_with_impl
2592 template<
typename _Tp,
typename _Up>
2593 static __bool_constant<
2594 noexcept(swap(std::declval<_Tp>(), std::declval<_Up>()))
2596 noexcept(swap(std::declval<_Up>(), std::declval<_Tp>()))
2599 template<
typename,
typename>
2600 static false_type __test(...);
2605 template<
typename _Tp,
typename _Up>
2606 struct __is_swappable_with_impl
2607 :
public __swappable_with_details::__do_is_swappable_with_impl
2609 typedef decltype(__test<_Tp, _Up>(0)) type;
2613 template<
typename _Tp>
2614 struct __is_swappable_with_impl<_Tp&, _Tp&>
2615 :
public __swappable_details::__do_is_swappable_impl
2617 typedef decltype(__test<_Tp&>(0)) type;
2620 template<
typename _Tp,
typename _Up>
2621 struct __is_nothrow_swappable_with_impl
2622 :
public __swappable_with_details::__do_is_nothrow_swappable_with_impl
2624 typedef decltype(__test<_Tp, _Up>(0)) type;
2628 template<
typename _Tp>
2629 struct __is_nothrow_swappable_with_impl<_Tp&, _Tp&>
2630 :
public __swappable_details::__do_is_nothrow_swappable_impl
2632 typedef decltype(__test<_Tp&>(0)) type;
2636 template<
typename _Tp,
typename _Up>
2638 :
public __is_swappable_with_impl<_Tp, _Up>::type
2642 template<
typename _Tp,
typename _Up>
2644 :
public __is_nothrow_swappable_with_impl<_Tp, _Up>::type
2647 #if __cplusplus >= 201402L 2649 template<
typename _Tp,
typename _Up>
2654 template<
typename _Tp,
typename _Up>
2657 #endif // __cplusplus >= 201402L 2659 #endif// c++1z or gnu++11 2663 template<
typename _Result,
typename _Ret,
typename =
void>
2664 struct __is_invocable_impl : false_type { };
2666 template<
typename _Result,
typename _Ret>
2667 struct __is_invocable_impl<_Result, _Ret, __void_t<typename _Result::type>>
2668 : __or_<is_void<_Ret>, is_convertible<typename _Result::type, _Ret>>::type
2671 template<
typename _Fn,
typename... _ArgTypes>
2672 struct __is_invocable
2673 : __is_invocable_impl<__invoke_result<_Fn, _ArgTypes...>, void>::type
2676 template<
typename _Fn,
typename _Tp,
typename... _Args>
2677 constexpr
bool __call_is_nt(__invoke_memfun_ref)
2679 using _Up =
typename __inv_unwrap<_Tp>::type;
2680 return noexcept((std::declval<_Up>().*std::declval<_Fn>())(
2681 std::declval<_Args>()...));
2684 template<
typename _Fn,
typename _Tp,
typename... _Args>
2685 constexpr
bool __call_is_nt(__invoke_memfun_deref)
2687 return noexcept(((*std::declval<_Tp>()).*std::declval<_Fn>())(
2688 std::declval<_Args>()...));
2691 template<
typename _Fn,
typename _Tp>
2692 constexpr
bool __call_is_nt(__invoke_memobj_ref)
2694 using _Up =
typename __inv_unwrap<_Tp>::type;
2695 return noexcept(std::declval<_Up>().*std::declval<_Fn>());
2698 template<
typename _Fn,
typename _Tp>
2699 constexpr
bool __call_is_nt(__invoke_memobj_deref)
2701 return noexcept((*std::declval<_Tp>()).*std::declval<_Fn>());
2704 template<
typename _Fn,
typename... _Args>
2705 constexpr
bool __call_is_nt(__invoke_other)
2707 return noexcept(std::declval<_Fn>()(std::declval<_Args>()...));
2710 template<
typename _Result,
typename _Fn,
typename... _Args>
2711 struct __call_is_nothrow
2713 std::__call_is_nt<_Fn, _Args...>(typename _Result::__invoke_type{})
2717 template<
typename _Fn,
typename... _Args>
2718 using __call_is_nothrow_
2719 = __call_is_nothrow<__invoke_result<_Fn, _Args...>, _Fn, _Args...>;
2722 template<
typename _Fn,
typename... _Args>
2723 struct __is_nothrow_invocable
2724 : __and_<__is_invocable<_Fn, _Args...>,
2725 __call_is_nothrow_<_Fn, _Args...>>::type
2729 __nonesuch() =
delete;
2730 ~__nonesuch() =
delete;
2731 __nonesuch(__nonesuch
const&) =
delete;
2732 void operator=(__nonesuch
const&) =
delete;
2735 #if __cplusplus >= 201703L 2736 # define __cpp_lib_is_invocable 201703 2739 template<
typename _Functor,
typename... _ArgTypes>
2740 struct invoke_result
2741 :
public __invoke_result<_Functor, _ArgTypes...>
2745 template<
typename _Fn,
typename... _Args>
2746 using invoke_result_t =
typename invoke_result<_Fn, _Args...>::type;
2749 template<
typename _Fn,
typename... _ArgTypes>
2751 : __is_invocable_impl<__invoke_result<_Fn, _ArgTypes...>, void>::type
2755 template<
typename _Ret,
typename _Fn,
typename... _ArgTypes>
2756 struct is_invocable_r
2757 : __is_invocable_impl<__invoke_result<_Fn, _ArgTypes...>, _Ret>::type
2761 template<
typename _Fn,
typename... _ArgTypes>
2762 struct is_nothrow_invocable
2763 : __and_<__is_invocable_impl<__invoke_result<_Fn, _ArgTypes...>, void>,
2764 __call_is_nothrow_<_Fn, _ArgTypes...>>::type
2767 template<
typename _Result,
typename _Ret,
typename =
void>
2768 struct __is_nt_invocable_impl : false_type { };
2770 template<
typename _Result,
typename _Ret>
2771 struct __is_nt_invocable_impl<_Result, _Ret,
2772 __void_t<typename _Result::type>>
2773 : __or_<is_void<_Ret>,
2774 __and_<is_convertible<typename _Result::type, _Ret>,
2775 is_nothrow_constructible<_Ret, typename _Result::type>>>
2779 template<
typename _Ret,
typename _Fn,
typename... _ArgTypes>
2780 struct is_nothrow_invocable_r
2781 : __and_<__is_nt_invocable_impl<__invoke_result<_Fn, _ArgTypes...>, _Ret>,
2782 __call_is_nothrow_<_Fn, _ArgTypes...>>::type
2786 template<
typename _Fn,
typename... _Args>
2787 inline constexpr
bool is_invocable_v = is_invocable<_Fn, _Args...>::value;
2790 template<
typename _Fn,
typename... _Args>
2791 inline constexpr
bool is_nothrow_invocable_v
2792 = is_nothrow_invocable<_Fn, _Args...>::value;
2795 template<
typename _Fn,
typename... _Args>
2796 inline constexpr
bool is_invocable_r_v
2797 = is_invocable_r<_Fn, _Args...>::value;
2800 template<
typename _Fn,
typename... _Args>
2801 inline constexpr
bool is_nothrow_invocable_r_v
2802 = is_nothrow_invocable_r<_Fn, _Args...>::value;
2805 #if __cplusplus >= 201703L 2806 # define __cpp_lib_type_trait_variable_templates 201510L 2807 template <
typename _Tp>
2809 template <
typename _Tp>
2811 template <
typename _Tp>
2813 template <
typename _Tp>
2815 template <
typename _Tp>
2817 template <
typename _Tp>
2819 template <
typename _Tp>
2820 inline constexpr
bool is_lvalue_reference_v =
2822 template <
typename _Tp>
2823 inline constexpr
bool is_rvalue_reference_v =
2825 template <
typename _Tp>
2826 inline constexpr
bool is_member_object_pointer_v =
2828 template <
typename _Tp>
2829 inline constexpr
bool is_member_function_pointer_v =
2831 template <
typename _Tp>
2833 template <
typename _Tp>
2835 template <
typename _Tp>
2837 template <
typename _Tp>
2839 template <
typename _Tp>
2841 template <
typename _Tp>
2843 template <
typename _Tp>
2845 template <
typename _Tp>
2847 template <
typename _Tp>
2849 template <
typename _Tp>
2851 template <
typename _Tp>
2853 template <
typename _Tp>
2855 template <
typename _Tp>
2857 template <
typename _Tp>
2859 template <
typename _Tp>
2860 inline constexpr
bool is_trivially_copyable_v =
2861 is_trivially_copyable<_Tp>::value;
2862 template <
typename _Tp>
2864 template <
typename _Tp>
2866 template <
typename _Tp>
2868 template <
typename _Tp>
2870 template <
typename _Tp>
2872 template <
typename _Tp>
2874 template <
typename _Tp>
2876 template <
typename _Tp>
2877 inline constexpr
bool is_signed_v = is_signed<_Tp>::value;
2878 template <
typename _Tp>
2879 inline constexpr
bool is_unsigned_v = is_unsigned<_Tp>::value;
2880 template <
typename _Tp,
typename... _Args>
2881 inline constexpr
bool is_constructible_v =
2883 template <
typename _Tp>
2884 inline constexpr
bool is_default_constructible_v =
2886 template <
typename _Tp>
2887 inline constexpr
bool is_copy_constructible_v =
2889 template <
typename _Tp>
2890 inline constexpr
bool is_move_constructible_v =
2892 template <
typename _Tp,
typename _Up>
2894 template <
typename _Tp>
2896 template <
typename _Tp>
2898 template <
typename _Tp>
2900 template <
typename _Tp,
typename... _Args>
2901 inline constexpr
bool is_trivially_constructible_v =
2903 template <
typename _Tp>
2904 inline constexpr
bool is_trivially_default_constructible_v =
2906 template <
typename _Tp>
2907 inline constexpr
bool is_trivially_copy_constructible_v =
2908 is_trivially_copy_constructible<_Tp>::value;
2909 template <
typename _Tp>
2910 inline constexpr
bool is_trivially_move_constructible_v =
2911 is_trivially_move_constructible<_Tp>::value;
2912 template <
typename _Tp,
typename _Up>
2913 inline constexpr
bool is_trivially_assignable_v =
2915 template <
typename _Tp>
2916 inline constexpr
bool is_trivially_copy_assignable_v =
2917 is_trivially_copy_assignable<_Tp>::value;
2918 template <
typename _Tp>
2919 inline constexpr
bool is_trivially_move_assignable_v =
2920 is_trivially_move_assignable<_Tp>::value;
2921 template <
typename _Tp>
2922 inline constexpr
bool is_trivially_destructible_v =
2924 template <
typename _Tp,
typename... _Args>
2925 inline constexpr
bool is_nothrow_constructible_v =
2927 template <
typename _Tp>
2928 inline constexpr
bool is_nothrow_default_constructible_v =
2930 template <
typename _Tp>
2931 inline constexpr
bool is_nothrow_copy_constructible_v =
2933 template <
typename _Tp>
2934 inline constexpr
bool is_nothrow_move_constructible_v =
2936 template <
typename _Tp,
typename _Up>
2937 inline constexpr
bool is_nothrow_assignable_v =
2939 template <
typename _Tp>
2940 inline constexpr
bool is_nothrow_copy_assignable_v =
2942 template <
typename _Tp>
2943 inline constexpr
bool is_nothrow_move_assignable_v =
2945 template <
typename _Tp>
2946 inline constexpr
bool is_nothrow_destructible_v =
2948 template <
typename _Tp>
2949 inline constexpr
bool has_virtual_destructor_v =
2951 template <
typename _Tp>
2953 template <
typename _Tp>
2955 template <
typename _Tp,
unsigned _Idx = 0>
2957 template <
typename _Tp,
typename _Up>
2959 template <
typename _Base,
typename _Derived>
2961 template <
typename _From,
typename _To>
2964 #ifdef _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP 2965 # define __cpp_lib_has_unique_object_representations 201606 2967 template<
typename _Tp>
2968 struct has_unique_object_representations
2969 : bool_constant<__has_unique_object_representations(
2970 remove_cv_t<remove_all_extents_t<_Tp>>
2974 template<
typename _Tp>
2975 inline constexpr
bool has_unique_object_representations_v
2976 = has_unique_object_representations<_Tp>::value;
2979 #ifdef _GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE 2980 # define __cpp_lib_is_aggregate 201703 2982 template<
typename _Tp>
2984 : bool_constant<__is_aggregate(remove_cv_t<_Tp>)> { };
2987 template<
typename _Tp>
2988 inline constexpr
bool is_aggregate_v = is_aggregate<_Tp>::value;
2992 #if __cplusplus > 201703L 2996 little = __ORDER_LITTLE_ENDIAN__,
2997 big = __ORDER_BIG_ENDIAN__,
2998 native = __BYTE_ORDER__
3002 template<
typename _Tp>
3005 using type = __remove_cvref_t<_Tp>;
3008 template<
typename _Tp>
3009 using remove_cvref_t = __remove_cvref_t<_Tp>;
3012 template<
typename _Tp>
3013 struct type_identity {
using type = _Tp; };
3015 template<
typename _Tp>
3016 using type_identity_t =
typename type_identity<_Tp>::type;
3019 template<
typename _Tp>
3020 struct unwrap_reference {
using type = _Tp; };
3022 template<
typename _Tp>
3023 struct unwrap_reference<reference_wrapper<_Tp>> {
using type = _Tp&; };
3026 template<
typename _Tp>
3027 struct unwrap_ref_decay : unwrap_reference<decay_t<_Tp>> { };
3029 template<
typename _Tp>
3030 using unwrap_ref_decay_t =
typename unwrap_ref_decay<_Tp>::type;
3032 #ifdef _GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED 3034 #define __cpp_lib_is_constant_evaluated 201811L 3036 constexpr
inline bool 3037 is_constant_evaluated() noexcept
3038 {
return __builtin_is_constant_evaluated(); }
3043 _GLIBCXX_END_NAMESPACE_VERSION
3048 #endif // _GLIBCXX_TYPE_TRAITS typename enable_if< _Cond, _Tp >::type enable_if_t
Alias template for enable_if.
typename underlying_type< _Tp >::type underlying_type_t
Alias template for underlying_type.
is_nothrow_copy_assignable
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.
_GLIBCXX17_INLINE constexpr bool is_nothrow_swappable_with_v
is_nothrow_swappable_with_v
Define a member typedef type only if a boolean constant is true.
typename add_cv< _Tp >::type add_cv_t
Alias template for add_cv.
is_trivially_constructible
typename remove_pointer< _Tp >::type remove_pointer_t
Alias template for remove_pointer.
is_trivially_copy_constructible
__is_nullptr_t (extension).
typename add_lvalue_reference< _Tp >::type add_lvalue_reference_t
Alias template for add_lvalue_reference.
ISO C++ entities toplevel namespace is std.
typename remove_reference< _Tp >::type remove_reference_t
Alias template for remove_reference.
_GLIBCXX17_INLINE constexpr bool is_nothrow_swappable_v
is_nothrow_swappable_v
The underlying type of an enum.
is_nothrow_swappable_with
is_member_function_pointer
typename remove_cv< _Tp >::type remove_cv_t
Alias template for remove_cv.
is_trivially_move_assignable
aligned_storage< _S_len, alignment_value >::type type
The storage.
Define a member typedef type to one of two argument types.
typename remove_const< _Tp >::type remove_const_t
Alias template for remove_const.
typename make_unsigned< _Tp >::type make_unsigned_t
Alias template for make_unsigned.
Primary class template for reference_wrapper.
typename add_rvalue_reference< _Tp >::type add_rvalue_reference_t
Alias template for add_rvalue_reference.
Implementation of the detection idiom (negative case).
is_null_pointer (LWG 2247).
typename add_volatile< _Tp >::type add_volatile_t
Alias template for add_volatile.
integral_constant< bool, true > true_type
The type used as a compile-time boolean with true value.
is_nothrow_move_assignable
Metafunctions used for detecting swappable types: p0185r1.
is_nothrow_default_constructible
is_trivially_default_constructible
is_nothrow_copy_constructible
is_trivially_destructible
_GLIBCXX17_INLINE constexpr bool is_swappable_v
is_swappable_v
typename remove_volatile< _Tp >::type remove_volatile_t
Alias template for remove_volatile.
typename aligned_storage< _Len, _Align >::type aligned_storage_t
Alias template for aligned_storage.
is_nothrow_move_constructible
integral_constant< bool, false > false_type
The type used as a compile-time boolean with false value.
typename remove_all_extents< _Tp >::type remove_all_extents_t
Alias template for remove_all_extents.
_GLIBCXX17_INLINE constexpr bool is_swappable_with_v
is_swappable_with_v
typename result_of< _Tp >::type result_of_t
Alias template for result_of.
is_trivially_move_constructible
Provide aligned storage for types.
typename remove_extent< _Tp >::type remove_extent_t
Alias template for remove_extent.
typename decay< _Tp >::type decay_t
Alias template for decay.
is_trivially_copy_assignable
typename add_pointer< _Tp >::type add_pointer_t
Alias template for add_pointer.
void void_t
A metafunction that always yields void, used for detecting valid types.
typename common_type< _Tp... >::type common_type_t
Alias template for common_type.
typename add_const< _Tp >::type add_const_t
Alias template for add_const.