From Jason Turner

[system.error.syn]

C++20 → C++23 3.9 KB 24 lines
Current Draft | LaTeX Source
Archived: C++20 | C++23
Markdown: C++20 | C++23
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  1. tmp/tmpg_f8kgob/{from.md → to.md} +7 -11
tmp/tmpg_f8kgob/{from.md → to.md} RENAMED
@@ -57,22 +57,19 @@ namespace std {
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  network_unreachable, // ENETUNREACH
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  no_buffer_space, // ENOBUFS
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  no_child_process, // ECHILD
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  no_link, // ENOLINK
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  no_lock_available, // ENOLCK
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- no_message_available, // ENODATA
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  no_message, // ENOMSG
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  no_protocol_option, // ENOPROTOOPT
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  no_space_on_device, // ENOSPC
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- no_stream_resources, // ENOSR
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  no_such_device_or_address, // ENXIO
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  no_such_device, // ENODEV
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  no_such_file_or_directory, // ENOENT
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  no_such_process, // ESRCH
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  not_a_directory, // ENOTDIR
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  not_a_socket, // ENOTSOCK
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- not_a_stream, // ENOSTR
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  not_connected, // ENOTCONN
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  not_enough_memory, // ENOMEM
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  not_supported, // ENOTSUP
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  operation_canceled, // ECANCELED
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  operation_in_progress, // EINPROGRESS
@@ -86,11 +83,10 @@ namespace std {
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  read_only_file_system, // EROFS
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  resource_deadlock_would_occur, // EDEADLK
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  resource_unavailable_try_again, // EAGAIN
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  result_out_of_range, // ERANGE
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  state_not_recoverable, // ENOTRECOVERABLE
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- stream_timeout, // ETIME
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  text_file_busy, // ETXTBSY
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  timed_out, // ETIMEDOUT
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  too_many_files_open_in_system, // ENFILE
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  too_many_files_open, // EMFILE
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  too_many_links, // EMLINK
@@ -109,11 +105,11 @@ namespace std {
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  operator<<(basic_ostream<charT, traits>& os, const error_code& ec);
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  // [syserr.errcondition.nonmembers], non-member functions
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  error_condition make_error_condition(errc e) noexcept;
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- // [syserr.compare], comparison functions
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  bool operator==(const error_code& lhs, const error_code& rhs) noexcept;
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  bool operator==(const error_code& lhs, const error_condition& rhs) noexcept;
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  bool operator==(const error_condition& lhs, const error_condition& rhs) noexcept;
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  strong_ordering operator<=>(const error_code& lhs, const error_code& rhs) noexcept;
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  strong_ordering operator<=>(const error_condition& lhs, const error_condition& rhs) noexcept;
@@ -123,21 +119,21 @@ namespace std {
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  template<> struct hash<error_code>;
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  template<> struct hash<error_condition>;
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  // [syserr], system error support
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  template<class T>
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- inline constexpr bool is_error_code_enum_v = is_error_code_enum<T>::value;
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  template<class T>
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- inline constexpr bool is_error_condition_enum_v = is_error_condition_enum<T>::value;
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  }
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  ```
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- The value of each `enum errc` constant shall be the same as the value of
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- the `<cerrno>` macro shown in the above synopsis. Whether or not the
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  `<system_error>` implementation exposes the `<cerrno>` macros is
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  unspecified.
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- The `is_error_code_enum` and `is_error_condition_enum` may be
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  specialized for program-defined types to indicate that such types are
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- eligible for `class error_code` and `class error_condition` automatic
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  conversions, respectively.
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  network_unreachable, // ENETUNREACH
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  no_buffer_space, // ENOBUFS
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  no_child_process, // ECHILD
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  no_link, // ENOLINK
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  no_lock_available, // ENOLCK
 
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  no_message, // ENOMSG
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  no_protocol_option, // ENOPROTOOPT
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  no_space_on_device, // ENOSPC
 
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  no_such_device_or_address, // ENXIO
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  no_such_device, // ENODEV
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  no_such_file_or_directory, // ENOENT
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  no_such_process, // ESRCH
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  not_a_directory, // ENOTDIR
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  not_a_socket, // ENOTSOCK
 
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  not_connected, // ENOTCONN
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  not_enough_memory, // ENOMEM
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  not_supported, // ENOTSUP
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  operation_canceled, // ECANCELED
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  operation_in_progress, // EINPROGRESS
 
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  read_only_file_system, // EROFS
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  resource_deadlock_would_occur, // EDEADLK
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  resource_unavailable_try_again, // EAGAIN
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  result_out_of_range, // ERANGE
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  state_not_recoverable, // ENOTRECOVERABLE
 
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  text_file_busy, // ETXTBSY
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  timed_out, // ETIMEDOUT
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  too_many_files_open_in_system, // ENFILE
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  too_many_files_open, // EMFILE
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  too_many_links, // EMLINK
 
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  operator<<(basic_ostream<charT, traits>& os, const error_code& ec);
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  // [syserr.errcondition.nonmembers], non-member functions
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  error_condition make_error_condition(errc e) noexcept;
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+ // [syserr.compare], comparison operator functions
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  bool operator==(const error_code& lhs, const error_code& rhs) noexcept;
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  bool operator==(const error_code& lhs, const error_condition& rhs) noexcept;
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  bool operator==(const error_condition& lhs, const error_condition& rhs) noexcept;
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  strong_ordering operator<=>(const error_code& lhs, const error_code& rhs) noexcept;
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  strong_ordering operator<=>(const error_condition& lhs, const error_condition& rhs) noexcept;
 
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  template<> struct hash<error_code>;
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  template<> struct hash<error_condition>;
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  // [syserr], system error support
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  template<class T>
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+ constexpr bool is_error_code_enum_v = is_error_code_enum<T>::value;
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  template<class T>
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+ constexpr bool is_error_condition_enum_v = is_error_condition_enum<T>::value;
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  }
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  ```
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+ The value of each `enum errc` enumerator is the same as the value of the
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+ `<cerrno>` macro shown in the above synopsis. Whether or not the
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  `<system_error>` implementation exposes the `<cerrno>` macros is
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  unspecified.
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+ The `is_error_code_enum` and `is_error_condition_enum` templates may be
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  specialized for program-defined types to indicate that such types are
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+ eligible for `class error_code` and `class error_condition` implicit
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  conversions, respectively.
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