std::error_code::value

 

C++

Language

Standard library headers

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Utilities library

Strings library

Containers library

Algorithms library

Iterators library

Numerics library

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Regular expressions library (C++11)

Atomic operations library (C++11)

Thread support library (C++11)

Technical Specifications

 

Utilities library

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Dynamic memory management

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Date and time

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bitset

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rel_ops::operator!=rel_ops::operator>rel_ops::operator<=rel_ops::operator>=

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pair

tuple (C++11)

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piecewise_construct (C++11)

integer_sequence (C++14)

Swap, forward and move

swap

exchange (C++14)

forward (C++11)

move (C++11)

move_if_noexcept (C++11)

declval (C++11)

 

Error handling

Exception handling

exception

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exception_ptr (C++11)

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throw_with_nested (C++11)

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Exception handling failures

terminate

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unexpected (deprecated)

bad_exception

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Exception categories

logic_error

invalid_argument

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length_error

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range_error

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underflow_error

Error codes

Error codes

errno

Assertions

assert

system_error facility

error_category (C++11)

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system_category (C++11)

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errc (C++11)

error_code (C++11)

system_error (C++11)

 

std::error_code

Member functions

error_code::error_code

error_code::operator=

error_code::assign

Modifiers

error_code::clear

Observers

error_code::value

error_code::category

error_code::default_error_condition

error_code::message

error_code::operator bool

Non-member functions

operator< operator== operator!=

operator<<

Helper classes

is_error_code_enum

hash<std::error_code>

 

int value() const;		(since C++11)

Returns the platform dependent error value.

Parameters

(none)

Return value

The platform-dependent error value.

Exceptions

noexcept specification:  

noexcept

  

See also

category

obtains the error_category for this error_code (public member function)