Provided by: libstdc++-9-doc_9.5.0-3ubuntu1_all 
NAME
std::integral_constant< _Tp, __v > - integral_constant
SYNOPSIS
Inherited by std::__not_< is_array< _Tp > >, std::is_assignable< _Tp &, const _Tp & >,
std::is_assignable< _Tp &, _Tp && >, std::is_constructible< _Tp, const _Tp & >,
std::is_constructible< _Tp, _Tp && >, std::__and_<>, std::__call_is_nothrow< _Result, _Fn,
_Args >, std::__detail::__is_contiguous_iter< __gnu_cxx::__normal_iterator< _Tp *, _Cont >
>, std::__is_alloc_insertable_impl< _Alloc, _Tp, _ValueT, typename >,
std::__is_alloc_insertable_impl< _Alloc, _Tp, _ValueT, __void_t<
decltype(allocator_traits< _Alloc >::construct(std::declval< _Alloc & >(), std::declval<
_ValueT * >(), std::declval< _Tp >()))> >, std::__is_allocator< _Alloc, typename >,
std::__is_allocator< _Alloc, __void_t< typename _Alloc::value_type, decltype(std::declval<
_Alloc & >().allocate(size_t{}))> >, std::__is_bitwise_relocatable<::deque< _Tp > >,
std::__is_byte_like< _Tp, _Pred >, std::__is_byte_like< _Tp, equal_to< _Tp > >,
std::__is_byte_like< _Tp, equal_to< void > >, std::__is_copy_assignable_impl< _Tp, false
>, std::__is_copy_constructible_impl< _Tp, false >, std::__is_copy_insertable< _Alloc >,
std::__is_destructible_safe< _Tp, false, true >, std::__is_destructible_safe< _Tp, true,
false >, std::__is_empty_non_tuple< tuple< _El0, _El... > >, std::__is_extractable<
_Istream, _Tp, typename >, std::__is_extractable< _Istream, _Tp, __void_t<
decltype(declval< _Istream & >() > > declval< _Tp >())> >, std::__is_fast_hash< _Hash >,
std::__is_fast_hash< hash< experimental::string_view > >, std::__is_fast_hash< hash<
experimental::u16string_view > >, std::__is_fast_hash< hash< experimental::u32string_view
> >, std::__is_fast_hash< hash< experimental::wstring_view > >, std::__is_fast_hash< hash<
long double > >, std::__is_fast_hash< hash< string > >, std::__is_fast_hash< hash<
u16string > >, std::__is_fast_hash< hash< u32string > >, std::__is_fast_hash< hash<
wstring > >, std::__is_floating_point_helper< typename >, std::__is_floating_point_helper<
double >, std::__is_floating_point_helper< float >, std::__is_floating_point_helper< long
double >, std::__is_insertable< _Ostream, _Tp, typename >, std::__is_insertable< _Ostream,
_Tp, __void_t< decltype(declval< _Ostream & >()<< declval< const _Tp & >())> >,
std::__is_integral_helper< typename >, std::__is_integral_helper< bool >,
std::__is_integral_helper< char >, std::__is_integral_helper< char16_t >,
std::__is_integral_helper< char32_t >, std::__is_integral_helper< int >,
std::__is_integral_helper< long >, std::__is_integral_helper< long long >,
std::__is_integral_helper< short >, std::__is_integral_helper< signed char >,
std::__is_integral_helper< unsigned char >, std::__is_integral_helper< unsigned int >,
std::__is_integral_helper< unsigned long >, std::__is_integral_helper< unsigned long long
>, std::__is_integral_helper< unsigned short >, std::__is_integral_helper< wchar_t >,
std::__is_invocable_impl< _Result, _Ret, bool, typename >, std::__is_invocable_impl<
_Result, _Ret, true, __void_t< typename _Result::type > >, std::__is_location_invariant<
__future_base::_State_base::_Setter< _Res, _Arg > >, std::__is_location_invariant<
__future_base::_Task_setter< _Res_ptr, _Fn, _Res > >,
std::__is_member_function_pointer_helper< typename >,
std::__is_member_object_pointer_helper< typename >, std::__is_member_pointer_helper< _Tp
>, std::__is_member_pointer_helper< _Tp _Cp::* >, std::__is_move_assignable_impl< _Tp,
false >, std::__is_move_constructible_impl< _Tp, false >, std::__is_move_insertable<
_Alloc >, std::__is_nothrow_copy_constructible_impl< _Tp, false >,
std::__is_nothrow_move_constructible_impl< _Tp, false >, std::__is_nt_constructible_impl<
bool, _Tp, _Args >, std::__is_nt_constructible_impl< true, _Tp >,
std::__is_nt_constructible_impl< true, _Tp, _Arg >, std::__is_nt_constructible_impl< true,
_Tp, _Args... >, std::__is_nt_constructible_impl< true, _Tp[_Num]>,
std::__is_nt_copy_assignable_impl< _Tp, false >, std::__is_nt_destructible_safe< _Tp,
false, true >, std::__is_nt_destructible_safe< _Tp, true, false >,
std::__is_nt_move_assignable_impl< _Tp, false >, std::__is_null_pointer_helper< typename
>, std::__is_null_pointer_helper< std::nullptr_t >, std::__is_pointer_helper< typename >,
std::__is_pointer_helper< _Tp * >, std::__is_referenceable< _Res(_Args...)
_GLIBCXX_NOEXCEPT_QUAL >, std::__is_referenceable< _Res(_Args......)
_GLIBCXX_NOEXCEPT_QUAL >, std::__is_signed_helper< _Tp, bool >,
std::__is_trivially_copy_assignable_impl< _Tp, false >,
std::__is_trivially_copy_assignable_impl< _Tp, true >,
std::__is_trivially_copy_constructible_impl< _Tp, false >,
std::__is_trivially_move_assignable_impl< _Tp, false >,
std::__is_trivially_move_assignable_impl< _Tp, true >,
std::__is_trivially_move_constructible_impl< _Tp, false >, std::__is_tuple_like_impl<
typename >, std::__is_tuple_like_impl< std::__debug::array< _Tp, _Nm > >,
std::__is_tuple_like_impl< std::pair< _T1, _T2 > >, std::__is_tuple_like_impl< tuple<
_Tps... > >, std::__is_tuple_like_impl<::array< _Tp, _Nm > >, std::__is_void_helper<
typename >, std::__is_void_helper< void >, std::__not_< _Pp >, std::__or_<>,
std::__parse_int::_Number< _Base, _Digs >, std::__parse_int::_Number< _Base >,
std::__parse_int::_Parse_int< _Digs >, std::__parse_int::_Parse_int< '0', 'B', _Digs... >,
std::__parse_int::_Parse_int< '0', 'X', _Digs... >, std::__parse_int::_Parse_int< '0',
'b', _Digs... >, std::__parse_int::_Parse_int< '0', 'x', _Digs... >,
std::__parse_int::_Parse_int< '0', _Digs... >, std::__parse_int::_Power< _Base, _Digs >,
std::__parse_int::_Power< _Base >, std::__sp_compatible_with< _Yp_ptr, _Tp_ptr >,
std::__sp_compatible_with< _Up(*)[_Nm], _Up(*)[]>, std::__sp_compatible_with< _Up(*)[_Nm],
const _Up(*)[]>, std::__sp_compatible_with< _Up(*)[_Nm], const volatile _Up(*)[]>,
std::__sp_compatible_with< _Up(*)[_Nm], volatile _Up(*)[]>,
std::__sp_is_constructible_arr< _Up, _Yp, typename >, std::__sp_is_constructible_arrN<
_Up, _Nm, _Yp, typename >, std::__uses_allocator_helper< _Tp, _Alloc, typename >,
std::chrono::__is_duration< _Tp >, std::chrono::__is_duration< duration< _Rep, _Period >
>, std::chrono::__is_ratio< _Tp >, std::chrono::__is_ratio< ratio< _Num, _Den > >,
std::experimental::fundamentals_v1::_Has_addressof_free< _Tp, typename >,
std::experimental::fundamentals_v1::_Has_addressof_free< _Tp, __void_t<
decltype(operator&(std::declval< const _Tp & >()))> >,
std::experimental::fundamentals_v1::_Has_addressof_mem< _Tp, typename >,
std::experimental::fundamentals_v1::_Has_addressof_mem< _Tp, __void_t<
decltype(std::declval< const _Tp & >().operator&())> >,
std::experimental::fundamentals_v2::__make_array_elem< void, _Types...
>::__is_reference_wrapper< typename >,
std::experimental::fundamentals_v2::__make_array_elem< void, _Types...
>::__is_reference_wrapper< reference_wrapper< _Up > >, std::is_array< typename >,
std::is_array< _Tp[]>, std::is_array< _Tp[_Size]>, std::is_assignable< _Tp, _Up >,
std::is_bind_expression< _Tp >, std::is_bind_expression< _Bind< _Signature > >,
std::is_bind_expression< _Bind_result< _Result, _Signature > >, std::is_bind_expression<
const _Bind< _Signature > >, std::is_bind_expression< const _Bind_result< _Result,
_Signature > >, std::is_bind_expression< const volatile _Bind< _Signature > >,
std::is_bind_expression< const volatile _Bind_result< _Result, _Signature > >,
std::is_bind_expression< volatile _Bind< _Signature > >, std::is_bind_expression< volatile
_Bind_result< _Result, _Signature > >, std::is_compound< _Tp >, std::is_const< typename >,
std::is_const< _Tp const >, std::is_constructible< _Tp, _Args >,
std::is_default_constructible< _Tp >, std::is_error_code_enum< _Tp >,
std::is_error_code_enum< future_errc >, std::is_error_code_enum< io_errc >,
std::is_error_condition_enum< _Tp >, std::is_error_condition_enum< errc >,
std::is_floating_point< _Tp >, std::is_function< typename >, std::is_function<
_Res(_ArgTypes...) &&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes...)
&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes...) _GLIBCXX_NOEXCEPT_QUAL >,
std::is_function< _Res(_ArgTypes...) const &&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function<
_Res(_ArgTypes...) const &_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes...)
const _GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes...) const volatile
&&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes...) const volatile
&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes...) const volatile
_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes...) volatile
&&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes...) volatile
&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes...) volatile
_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes......) &&_GLIBCXX_NOEXCEPT_QUAL
>, std::is_function< _Res(_ArgTypes......) &_GLIBCXX_NOEXCEPT_QUAL >, std::is_function<
_Res(_ArgTypes......) _GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes......)
const &&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes......) const
&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes......) const
_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes......) const volatile
&&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes......) const volatile
&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes......) const volatile
_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes......) volatile
&&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes......) volatile
&_GLIBCXX_NOEXCEPT_QUAL >, std::is_function< _Res(_ArgTypes......) volatile
_GLIBCXX_NOEXCEPT_QUAL >, std::is_integral< _Tp >, std::is_lvalue_reference< typename >,
std::is_lvalue_reference< _Tp & >, std::is_member_function_pointer< _Tp >,
std::is_member_object_pointer< _Tp >, std::is_member_pointer< _Tp >,
std::is_nothrow_constructible< _Tp, _Args >, std::is_nothrow_default_constructible< _Tp >,
std::is_null_pointer< _Tp >, std::is_object< _Tp >, std::is_pointer< _Tp >,
std::is_rvalue_reference< typename >, std::is_rvalue_reference< _Tp && >, std::is_same<
typename, typename >, std::is_same< _Tp, _Tp >, std::is_trivially_assignable< _Tp, _Up >,
std::is_trivially_constructible< _Tp, _Args >, std::is_trivially_default_constructible<
_Tp >, std::is_void< _Tp >, std::is_volatile< typename >, std::is_volatile< _Tp volatile
>, std::uses_allocator< _Tp, _Alloc >, std::uses_allocator< packaged_task< _Res >, _Alloc
>, std::uses_allocator< priority_queue< _Tp, _Sequence, _Compare >, _Alloc >,
std::uses_allocator< promise< _Res >, _Alloc >, std::uses_allocator< queue< _Tp, _Seq >,
_Alloc >, std::uses_allocator< stack< _Tp, _Seq >, _Alloc >, and std::uses_allocator<
tuple< _Types... >, _Alloc >.
Public Types
typedef integral_constant< _Tp, __v > type
typedef _Tp value_type
Public Member Functions
constexpr operator value_type () const noexcept
constexpr value_type operator() () const noexcept
Static Public Attributes
static constexpr _Tp value
Detailed Description
template<typename _Tp, _Tp __v>
struct std::integral_constant< _Tp, __v >"integral_constant
Definition at line 57 of file type_traits.
Member Typedef Documentation
template<typename _Tp , _Tp __v> typedef integral_constant<_Tp, __v> std::integral_constant<
_Tp, __v >::type
Definition at line 61 of file type_traits.
template<typename _Tp , _Tp __v> typedef _Tp std::integral_constant< _Tp, __v >::value_type
Definition at line 60 of file type_traits.
Member Function Documentation
template<typename _Tp , _Tp __v> constexpr std::integral_constant< _Tp, __v >::operator
value_type () const [inline], [constexpr], [noexcept]
Definition at line 62 of file type_traits.
template<typename _Tp , _Tp __v> constexpr value_type std::integral_constant< _Tp, __v
>::operator() () const [inline], [constexpr], [noexcept]
Definition at line 67 of file type_traits.
Author
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