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Bootstrap 4
Bootstrap 3
C
C++
算法 | Algorithm
原子性操作 | Atomic operations
概念 | Concepts
容器 | Containers
动态内存管理 | Dynamic memory management
文件系统 | Filesystem
输入/输出 | Input/output
迭代器 | Iterator
关键词 | Keywords
语言 | Language
本土化 | Localizations
数字 | Numerics
规律表达 | Regular expressions
标准库头文件 | Standard library header files
字符串 | Strings
线程支持 | Thread support
应用 | Utilities
assert
C Date and time utilities
C memory management library
C numeric limits interface
CLOCKS_PER_SEC
Date and time utilities
Dynamic memory management
errno
Error handling
Error numbers
EXIT_FAILURE
EXIT_SUCCESS
Fixed width integer types
FLT_EVAL_METHOD
FLT_ROUNDS
Function objects
Low level memory management
NULL
offsetof
operators (delete[])
operators (new[])
operators (std::bitset)
operators (std::bitset)
operators (std::bitset)
operators (std::chrono::duration)
operators (std::chrono::duration)
operators (std::error_condition)
operators (std::function)
operators (std::optional)
operators (std::pair)
operators (std::time_point)
operators (std::time_point)
operators (std::tuple)
operators (std::unique_ptr)
operators (std::variant)
Program support utilities
setjmp
SIGABRT
SIGFPE
SIGILL
SIGINT
SIGSEGV
SIGTERM
SIG_DFL
SIG_ERR
SIG_IGN
std::abort
std::addressof
std::add_const
std::add_cv
std::add_lvalue_reference
std::add_pointer
std::add_rvalue_reference
std::add_volatile
std::align
std::aligned_alloc
std::aligned_storage
std::aligned_union
std::alignment_of
std::align_val_t
std::allocate_shared
std::allocator_arg
std::allocator_arg_t
std::any
std::any::any
std::any::emplace
std::any::has_value
std::any::reset
std::any::swap
std::any::type
std::any_cast
std::apply
std::asctime
std::as_const
std::atexit
std::atomic_...<std::shared_ptr>
std::at_quick_exit
std::auto_ptr
std::auto_ptr::auto_ptr
std::auto_ptr::get
std::auto_ptr::operator auto_ptr<Y>
std::auto_ptr::operator->
std::auto_ptr::operators
std::auto_ptr::release
std::auto_ptr::reset
std::bad_alloc
std::bad_any_cast
std::bad_array_new_length
std::bad_array_new_length::bad_array_new_length
std::bad_cast
std::bad_cast::bad_cast
std::bad_exception
std::bad_exception::bad_exception
std::bad_exception::what
std::bad_function_call
std::bad_optional_access
std::bad_typeid
std::bad_typeid::bad_typeid
std::bad_variant_access
std::bad_weak_ptr
std::bad_weak_ptr::bad_weak_ptr
std::begin(std::initializer_list)
std::binary_function
std::binary_negate
std::bind
std::bind1st
std::bind2nd
std::binder1st
std::binder2nd
std::bitset
std::bitset::all
std::bitset::any
std::bitset::bitset
std::bitset::count
std::bitset::flip
std::bitset::none
std::bitset::operators
std::bitset::operators
std::bitset::operator[]
std::bitset::reference
std::bitset::reset
std::bitset::set
std::bitset::size
std::bitset::test
std::bitset::to_string
std::bitset::to_ullong
std::bitset::to_ulong
std::bit_and
std::bit_and<void>
std::bit_not
std::bit_not<void>
std::bit_or
std::bit_or<void>
std::bit_xor
std::bit_xor<void>
std::boyer_moore_horspool_searcher
std::boyer_moore_searcher
std::byte
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
std::chrono::duration::min
std::chrono::duration::operator-
std::chrono::duration::operator--
std::chrono::duration::operators
std::chrono::duration::operators (%=)
std::chrono::duration::operators (unary)
std::chrono::duration::zero
std::chrono::duration_cast
std::chrono::duration_values
std::chrono::duration_values::max
std::chrono::duration_values::min
std::chrono::duration_values::zero
std::chrono::floor(std::chrono::duration)
std::chrono::floor(std::chrono::time_point)
std::chrono::high_resolution_clock
std::chrono::high_resolution_clock::now
std::chrono::round(std::chrono::duration)
std::chrono::round(std::chrono::time_point)
std::chrono::steady_clock
std::chrono::steady_clock::now
std::chrono::system_clock
std::chrono::system_clock::from_time_t
std::chrono::system_clock::now
std::chrono::system_clock::to_time_t
std::chrono::time_point
std::chrono::time_point::max
std::chrono::time_point::min
std::chrono::time_point::operators (operator-)
std::chrono::time_point::time_point
std::chrono::time_point::time_since_epoch
std::chrono::time_point_cast
std::chrono::treat_as_floating_point
std::clock
std::clock_t
std::common_type
std::common_type(std::chrono::duration)
std::common_type(std::chrono::time_point)
std::conditional
std::conjunction
std::const_mem_fun1_ref_t
std::const_mem_fun1_t
std::const_mem_fun_ref_t
std::const_mem_fun_t
std::const_pointer_cast
std::cref
std::ctime
std::current_exception
std::decay
std::declare_no_pointers
std::declare_reachable
std::declval
std::default_delete
std::default_searcher
std::destroy
std::destroy_at
std::destroy_n
std::difftime
std::disjunction
std::divides
std::divides<void>
std::domain_error
std::dynamic_pointer_cast
std::enable_if
std::enable_shared_from_this
std::enable_shared_from_this::enable_shared_from_this
std::enable_shared_from_this::shared_from_this
std::enable_shared_from_this::weak_from_this
std::end(std::initializer_list)
std::equal_to
std::equal_to<void>
std::error_category
std::error_category::default_error_condition
std::error_category::equivalent
std::error_category::error_category
std::error_category::message
std::error_category::name
std::error_category::operators
std::error_code
std::error_code::assign
std::error_code::category
std::error_code::clear
std::error_code::default_error_condition
std::error_code::error_code
std::error_code::message
std::error_code::operator bool
std::error_code::value
std::error_condition
std::error_condition::assign
std::error_condition::category
std::error_condition::clear
std::error_condition::error_condition
std::error_condition::message
std::error_condition::operator bool
std::error_condition::value
std::exception
std::exception::exception
std::exception::what
std::exception_ptr
std::exchange
std::exit
std::extent
std::float_denorm_style
std::float_round_style
std::forward
std::forward_as_tuple
std::free
std::from_chars
std::function
std::function::assign
std::function::function
std::function::operator bool
std::function::swap
std::function::target
std::function::target_type
std::generic_category
std::get
std::get(std::pair)
std::get(std::tuple)
std::getenv
std::get_deleter
std::get_if
std::get_new_handler
std::get_pointer_safety
std::get_temporary_buffer
std::get_terminate
std::get_unexpected
std::gmtime
std::greater
std::greater<void>
std::greater_equal
std::greater_equal<void>
std::hash
std::hash
std::hash <std::optional>
std::hash <std::unique_ptr>
std::hash <std::variant>
std::hash(std::shared_ptr)
std::hash::hash
std::hash<std::error_code>
std::hash<std::error_condition>
std::hash<std::type_index>
std::has_unique_object_representations
std::has_virtual_destructor
std::holds_alternative
std::ignore
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
std::invoke_result
std::in_place
std::in_place_index
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
std::is_array
std::is_assignable
std::is_base_of
std::is_bind_expression
std::is_class
std::is_compound
std::is_const
std::is_constructible
std::is_convertible
std::is_copy_assignable
std::is_copy_constructible
std::is_default_constructible
std::is_destructible
std::is_empty
std::is_enum
std::is_error_code_enum
std::is_error_code_enum<std::future_errc>
std::is_error_condition_enum
std::is_error_condition_enum<std::errc>
std::is_final
std::is_floating_point
std::is_function
std::is_fundamental
std::is_integral
std::is_invocable
std::is_invocable_r
std::is_literal_type
std::is_lvalue_reference
std::is_member_function_pointer
std::is_member_object_pointer
std::is_member_pointer
std::is_move_assignable
std::is_move_constructible
std::is_nothrow_assignable
std::is_nothrow_constructible
std::is_nothrow_copy_assignable
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
std::is_reference
std::is_rvalue_reference
std::is_same
std::is_scalar
std::is_signed
std::is_standard_layout
std::is_swappable
std::is_swappable_with
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
std::literals::chrono_literals::operator""us
std::localtime
std::logical_and
std::logical_and<void>
std::logical_not
std::logical_not<void>
std::logical_or
std::logical_or<void>
std::logic_error
std::longjmp
std::make_any
std::make_error_code(std::errc)
std::make_error_condition(std::errc)
std::make_exception_ptr
std::make_from_tuple
std::make_optional
std::make_pair
std::make_shared
std::make_signed
std::make_tuple
std::make_unique
std::make_unsigned
std::malloc
std::max_align_t
std::mem_fn
std::mem_fun
std::mem_fun1_ref_t
std::mem_fun1_t
std::mem_fun_ref
std::mem_fun_ref_t
std::mem_fun_t
std::minus
std::minus<void>
std::mktime
std::modulus
std::modulus<void>
std::monostate
std::move
std::move_if_noexcept
std::multiplies
std::multiplies<void>
std::negate
std::negate<void>
std::negation
std::nested_exception
std::nested_exception::nested_exception
std::nested_exception::nested_ptr
std::nested_exception::rethrow_nested
std::new_handler
std::not1
std::not2
std::nothrow
std::nothrow_t
std::not_equal_to
std::not_equal_to<void>
std::not_fn
std::nullopt
std::nullopt_t
std::nullptr_t
std::numeric_limits
std::numeric_limits::denorm_min
std::numeric_limits::digits
std::numeric_limits::digits10
std::numeric_limits::epsilon
std::numeric_limits::has_denorm
std::numeric_limits::has_denorm_loss
std::numeric_limits::has_infinity
std::numeric_limits::has_quiet_NaN
std::numeric_limits::has_signaling_NaN
std::numeric_limits::infinity
std::numeric_limits::is_bounded
std::numeric_limits::is_exact
std::numeric_limits::is_iec559
std::numeric_limits::is_integer
std::numeric_limits::is_modulo
std::numeric_limits::is_signed
std::numeric_limits::is_specialized
std::numeric_limits::lowest
std::numeric_limits::max
std::numeric_limits::max_digits10
std::numeric_limits::max_exponent
std::numeric_limits::max_exponent10
std::numeric_limits::min
std::numeric_limits::min_exponent
std::numeric_limits::min_exponent10
std::numeric_limits::quiet_NaN
std::numeric_limits::radix
std::numeric_limits::round_error
std::numeric_limits::round_style
std::numeric_limits::signaling_NaN
std::numeric_limits::tinyness_before
std::numeric_limits::traps
std::operator<<(std::error_code)
std::operators (std::error_code)
std::optional
std::optional::emplace
std::optional::has_value
std::optional::operator*
std::optional::operators
std::optional::operators
std::optional::optional
std::optional::reset
std::optional::swap
std::optional::value
std::optional::value_or
std::out_of_range
std::overflow_error
std::owner_less
std::owner_less
std::pair
std::pair::pair
std::pair::swap
std::piecewise_construct
std::piecewise_construct_t
std::placeholders::_1
std::placeholders::_2
std::placeholders::_N
std::plus
std::plus<void>
std::pmr::get_default_resource
std::pmr::new_delete_resource
std::pmr::null_memory_resource
std::pmr::pool_options
std::pmr::set_default_resource
std::pointer_safety
std::pointer_to_binary_function
std::pointer_to_unary_function
std::pointer_traits
std::ptrdiff_t
std::ptr_fun
std::quick_exit
std::raise
std::range_error
std::rank
std::rbegin(std::initializer_list)
std::realloc
std::ref
std::reference_wrapper
std::reference_wrapper::get
std::reference_wrapper::operator T&
std::reference_wrapper::reference_wrapper
std::reinterpret_pointer_cast
std::rel_ops::operators
std::remove_all_extents
std::remove_const
std::remove_cv
std::remove_extent
std::remove_pointer
std::remove_reference
std::remove_volatile
std::rend(std::initializer_list)
std::result_of
std::rethrow_exception
std::rethrow_if_nested
std::return_temporary_buffer
std::runtime_error
std::set_new_handler
std::set_terminate
std::set_unexpected
std::shared_ptr
std::shared_ptr::get
std::shared_ptr::operator bool
std::shared_ptr::operator->
std::shared_ptr::operator<<
std::shared_ptr::operators
std::shared_ptr::operators (>=)
std::shared_ptr::operator[]
std::shared_ptr::owner_before
std::shared_ptr::reset
std::shared_ptr::shared_ptr
std::shared_ptr::swap
std::shared_ptr::unique
std::shared_ptr::use_count
std::signal
std::sig_atomic_t
std::size_t
std::static_pointer_cast
std::strftime
std::swap(std::any)
std::swap(std::function)
std::swap(std::optional)
std::swap(std::pair)
std::swap(std::shared_ptr)
std::swap(std::tuple)
std::swap(std::unique_ptr)
std::swap(std::variant)
std::swap(std::weak_ptr)
std::system
std::system_category
std::system_error
std::system_error::code
std::system_error::system_error
std::system_error::what
std::terminate
std::terminate_handler
std::throw_with_nested
std::tie
std::time
std::timespec
std::timespec_get
std::time_t
std::tm
std::to_chars
std::tuple
std::tuple::swap
std::tuple::tuple
std::tuple_cat
std::tuple_element<std::pair>
std::tuple_element<std::tuple>
std::tuple_size<std::pair>
std::tuple_size<std::tuple>
std::tx_exception
std::type_index
std::type_index::hash_code
std::type_index::name
std::type_index::operators
std::type_index::type_index
std::type_info
std::type_info::before
std::type_info::hash_code
std::type_info::name
std::type_info::operator!=
std::type_info::operators
std::unary_function
std::unary_negate
std::uncaught_exception
std::uncaught_exceptions
std::undeclare_no_pointers
std::undeclare_reachable
std::underflow_error
std::underlying_type
std::unexpected
std::unexpected_handler
std::uninitialized_copy
std::uninitialized_copy_n
std::uninitialized_default_construct
std::uninitialized_default_construct_n
std::uninitialized_fill
std::uninitialized_fill_n
std::uninitialized_move
std::uninitialized_move_n
std::uninitialized_value_construct
std::uninitialized_value_construct_n
std::unique_ptr
std::unique_ptr::get
std::unique_ptr::get_deleter
std::unique_ptr::operator bool
std::unique_ptr::operator*
std::unique_ptr::operator[]
std::unique_ptr::release
std::unique_ptr::reset
std::unique_ptr::swap
std::unique_ptr::unique_ptr
std::uses_allocator
std::uses_allocator<std::function>
std::uses_allocator<std::tuple>
std::uses_allocator<std::variant>
std::variant
std::variant::emplace
std::variant::index
std::variant::swap
std::variant::valueless_by_exception
std::variant::variant
std::variant_alternative
std::variant_alternative_t
std::variant_npos
std::variant_size
std::variant_size_v
std::va_list
std::visit
std::void_t
std::wcsftime
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std::weak_ptr::expired
std::weak_ptr::lock
std::weak_ptr::owner_before
std::weak_ptr::reset
std::weak_ptr::swap
std::weak_ptr::use_count
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Yii 2.0

std::errc

性病：ERRC

Defined in header ​​
enum class errc;​(since C++11)

范围枚举std::errc定义与POSIX错误代码对应的可移植错误条件的值。

成员常数

ConstantExplanation
address_family_not_supportederror condition corresponding to POSIX code EAFNOSUPPORT
address_in_useerror condition corresponding to POSIX code EADDRINUSE
address_not_availableerror condition corresponding to POSIX code EADDRNOTAVAIL
already_connectederror condition corresponding to POSIX code EISCONN
argument_list_too_longerror condition corresponding to POSIX code E2BIG
argument_out_of_domainerror condition corresponding to POSIX code EDOM
bad_addresserror condition corresponding to POSIX code EFAULT
bad_file_descriptorerror condition corresponding to POSIX code EBADF
bad_messageerror condition corresponding to POSIX code EBADMSG
broken_pipeerror condition corresponding to POSIX code EPIPE
connection_abortederror condition corresponding to POSIX code ECONNABORTED
connection_already_in_progresserror condition corresponding to POSIX code EALREADY
connection_refusederror condition corresponding to POSIX code ECONNREFUSED
connection_reseterror condition corresponding to POSIX code ECONNRESET
cross_device_linkerror condition corresponding to POSIX code EXDEV
destination_address_requirederror condition corresponding to POSIX code EDESTADDRREQ
device_or_resource_busyerror condition corresponding to POSIX code EBUSY
directory_not_emptyerror condition corresponding to POSIX code ENOTEMPTY
executable_format_errorerror condition corresponding to POSIX code ENOEXEC
file_existserror condition corresponding to POSIX code EEXIST
file_too_largeerror condition corresponding to POSIX code EFBIG
filename_too_longerror condition corresponding to POSIX code ENAMETOOLONG
function_not_supportederror condition corresponding to POSIX code ENOSYS
host_unreachableerror condition corresponding to POSIX code EHOSTUNREACH
identifier_removederror condition corresponding to POSIX code EIDRM
illegal_byte_sequenceerror condition corresponding to POSIX code EILSEQ
inappropriate_io_control_operationerror condition corresponding to POSIX code ENOTTY
interruptederror condition corresponding to POSIX code EINTR
invalid_argumenterror condition corresponding to POSIX code EINVAL
invalid_seekerror condition corresponding to POSIX code ESPIPE
io_errorerror condition corresponding to POSIX code EIO
is_a_directoryerror condition corresponding to POSIX code EISDIR
message_sizeerror condition corresponding to POSIX code EMSGSIZE
network_downerror condition corresponding to POSIX code ENETDOWN
network_reseterror condition corresponding to POSIX code ENETRESET
network_unreachableerror condition corresponding to POSIX code ENETUNREACH
no_buffer_spaceerror condition corresponding to POSIX code ENOBUFS
no_child_processerror condition corresponding to POSIX code ECHILD
no_linkerror condition corresponding to POSIX code ENOLINK
no_lock_availableerror condition corresponding to POSIX code ENOLCK
no_message_availableerror condition corresponding to POSIX code ENODATA
no_messageerror condition corresponding to POSIX code ENOMSG
no_protocol_optionerror condition corresponding to POSIX code ENOPROTOOPT
no_space_on_deviceerror condition corresponding to POSIX code ENOSPC
no_stream_resourceserror condition corresponding to POSIX code ENOSR
no_such_device_or_addresserror condition corresponding to POSIX code ENXIO
no_such_deviceerror condition corresponding to POSIX code ENODEV
no_such_file_or_directoryerror condition corresponding to POSIX code ENOENT
no_such_processerror condition corresponding to POSIX code ESRCH
not_a_directoryerror condition corresponding to POSIX code ENOTDIR
not_a_socketerror condition corresponding to POSIX code ENOTSOCK
not_a_streamerror condition corresponding to POSIX code ENOSTR
not_connectederror condition corresponding to POSIX code ENOTCONN
not_enough_memoryerror condition corresponding to POSIX code ENOMEM
not_supportederror condition corresponding to POSIX code ENOTSUP
operation_cancelederror condition corresponding to POSIX code ECANCELED
operation_in_progresserror condition corresponding to POSIX code EINPROGRESS
operation_not_permittederror condition corresponding to POSIX code EPERM
operation_not_supportederror condition corresponding to POSIX code EOPNOTSUPP
operation_would_blockerror condition corresponding to POSIX code EWOULDBLOCK
owner_deaderror condition corresponding to POSIX code EOWNERDEAD
permission_deniederror condition corresponding to POSIX code EACCES
protocol_errorerror condition corresponding to POSIX code EPROTO
protocol_not_supportederror condition corresponding to POSIX code EPROTONOSUPPORT
read_only_file_systemerror condition corresponding to POSIX code EROFS
resource_deadlock_would_occurerror condition corresponding to POSIX code EDEADLK
resource_unavailable_try_againerror condition corresponding to POSIX code EAGAIN
result_out_of_rangeerror condition corresponding to POSIX code ERANGE
state_not_recoverableerror condition corresponding to POSIX code ENOTRECOVERABLE
stream_timeouterror condition corresponding to POSIX code ETIME
text_file_busyerror condition corresponding to POSIX code ETXTBSY
timed_outerror condition corresponding to POSIX code ETIMEDOUT
too_many_files_open_in_systemerror condition corresponding to POSIX code ENFILE
too_many_files_openerror condition corresponding to POSIX code EMFILE
too_many_linkserror condition corresponding to POSIX code EMLINK
too_many_symbolic_link_levelserror condition corresponding to POSIX code ELOOP
value_too_largeerror condition corresponding to POSIX code EOVERFLOW
wrong_protocol_typeerror condition corresponding to POSIX code EPROTOTYPE

非会员职能

make_error_code(std::errc) (C++11)constructs an std::errc error code (function)
make_error_condition(std::errc) (C++11)constructs an std::errc error condition (function)

帮助者类

is_error_condition_enum (C++11)extends the type trait std::is_error_condition_enum to identify the the std::errc values as error conditions (function template)

例

二次

#include <iostream>
#include <system_error>
#include <thread>
int main()
{
    try {
        std::thread().detach( // detaching a not-a-thread
    } catch (const std::system_error& e) {
        std::cout << "Caught a system_error\n";
        if(e.code() == std::errc::invalid_argument)
            std::cout << "The error condition is std::errc::invalid_argument\n";
        std::cout << "the error description is " << e.what() << '\n';
    }
}

二次

产出：

二次

Caught a system_error
The error condition is std::errc::invalid_argument
the error description is Invalid argument

二次

另见

error_code (C++11)holds a platform-dependent error code (class)
error_condition (C++11)holds a portable error code (class)

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