std::error_code::category

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Revision as of 12:53, 18 October 2023 by BenFrantzDale (Talk | contribs)

const std::error_category& category() const noexcept;		(since C++11)

Returns the error category of the error code.

(none)

The error category of the error code.

Compiler support
Freestanding and hosted
Language
Standard library
Standard library headers
Named requirements
Feature test macros (C++20)
Language support library
Concepts library (C++20)
Diagnostics library
Memory management library
Metaprogramming library (C++11)
General utilities library
Containers library
Iterators library
Ranges library (C++20)
Algorithms library
Strings library
Text processing library
Numerics library
Date and time library
Input/output library
Filesystem library (C++17)
Concurrency support library (C++11)
Execution control library (C++26)
Technical specifications
Symbols index
External libraries

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<=> (until C++20)(until C++20)(C++20)
operator<<
Helper classes
is_error_code_enum
hash<std::error_code>