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std::bad_function_call
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std::bad_typeid
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std::bitset::operator[]
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std::bitset::reset
std::bitset::set
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std::bitset::to_string
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std::bit_and
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std::bit_not
std::bit_not<void>
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std::boyer_moore_horspool_searcher
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std::calloc
std::chars_format
std::chrono::abs(std::chrono::duration)
std::chrono::ceil(std::chrono::duration)
std::chrono::ceil(std::chrono::time_point)
std::chrono::duration
std::chrono::duration::count
std::chrono::duration::duration
std::chrono::duration::max
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std::chrono::duration::operator-
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std::chrono::duration::zero
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std::chrono::duration_values
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std::chrono::floor(std::chrono::time_point)
std::chrono::high_resolution_clock
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std::chrono::round(std::chrono::duration)
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std::chrono::system_clock
std::chrono::system_clock::from_time_t
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std::chrono::time_point
std::chrono::time_point::max
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std::chrono::time_point::operators (operator-)
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std::chrono::time_point::time_since_epoch
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std::hash
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std::hash <std::variant>
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std::has_unique_object_representations
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std::holds_alternative
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std::initializer_list
std::initializer_list::begin
std::initializer_list::end
std::initializer_list::initializer_list
std::initializer_list::size
std::integer_sequence
std::integral_constant
std::invalid_argument
std::invoke
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std::in_place
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std::in_place_index_t
std::in_place_t
std::in_place_t
std::in_place_type
std::in_place_type_t
std::is_abstract
std::is_aggregate
std::is_arithmetic
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std::is_assignable
std::is_base_of
std::is_bind_expression
std::is_class
std::is_compound
std::is_const
std::is_constructible
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std::is_default_constructible
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std::is_empty
std::is_enum
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std::is_error_condition_enum
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std::is_final
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std::is_function
std::is_fundamental
std::is_integral
std::is_invocable
std::is_invocable_r
std::is_literal_type
std::is_lvalue_reference
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std::is_member_pointer
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std::is_nothrow_assignable
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std::is_nothrow_copy_constructible
std::is_nothrow_default_constructible
std::is_nothrow_destructible
std::is_nothrow_invocable
std::is_nothrow_invocable_r
std::is_nothrow_move_assignable
std::is_nothrow_move_constructible
std::is_nothrow_swappable
std::is_nothrow_swappable_with
std::is_null_pointer
std::is_object
std::is_placeholder
std::is_pod
std::is_pointer
std::is_polymorphic
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std::is_rvalue_reference
std::is_same
std::is_scalar
std::is_signed
std::is_standard_layout
std::is_swappable
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std::is_trivial
std::is_trivially_assignable
std::is_trivially_constructible
std::is_trivially_copyable
std::is_trivially_copy_assignable
std::is_trivially_copy_constructible
std::is_trivially_default_constructible
std::is_trivially_destructible
std::is_trivially_move_assignable
std::is_trivially_move_constructible
std::is_union
std::is_unsigned
std::is_void
std::is_volatile
std::jmp_buf
std::launder
std::length_error
std::less
std::less<void>
std::less_equal
std::less_equal<void>
std::literals::chrono_literals::operator""h
std::literals::chrono_literals::operator""min
std::literals::chrono_literals::operator""ms
std::literals::chrono_literals::operator""ns
std::literals::chrono_literals::operator""s
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std::logical_not
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std::numeric_limits::max_exponent
std::numeric_limits::max_exponent10
std::numeric_limits::min
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std::rend(std::initializer_list)
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std::runtime_error
std::set_new_handler
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std::shared_ptr
std::shared_ptr::get
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std::shared_ptr::operator->
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std::shared_ptr::operators (>=)
std::shared_ptr::operator[]
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std::shared_ptr::reset
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std::shared_ptr::unique
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std::signal
std::sig_atomic_t
std::size_t
std::static_pointer_cast
std::strftime
std::swap(std::any)
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std::swap(std::optional)
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std::swap(std::shared_ptr)
std::swap(std::tuple)
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std::swap(std::variant)
std::swap(std::weak_ptr)
std::system
std::system_category
std::system_error
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std::throw_with_nested
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std::time
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std::tx_exception
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std::any::type

STD：：任何：类型

const type_info& type() const;​(since C++17)

查询包含的类型。

参数

%280%29

返回值

大typeid如果实例是非空的，则为typeid(void)...

例外

noexcept规格：

noexcept

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在CreativeCommonsAttribution下授权-ShareAlike未移植许可v3.0。

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