Namespaces
Variants
Views
Actions

std::error_code::category

From cppreference.com
< cpp‎ | error‎ | error code
 
 
Utilities library
Language support
Type support (basic types, RTTI)
Library feature-test macros (C++20)
Dynamic memory management
Program utilities
Coroutine support (C++20)
Variadic functions
Debugging support
(C++26)
Three-way comparison
(C++20)
(C++20)(C++20)(C++20)
(C++20)(C++20)(C++20)
General utilities
Date and time
Function objects
Formatting library (C++20)
(C++11)
Relational operators (deprecated in C++20)
Integer comparison functions
(C++20)(C++20)(C++20)   
(C++20)
Swap and type operations
(C++14)
(C++11)
(C++11)
(C++11)
(C++17)
Common vocabulary types
(C++11)
(C++17)
(C++17)
(C++17)
(C++11)
(C++17)
(C++23)
Elementary string conversions
(C++17)
(C++17)

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

Returns the error category of the error code.

[edit] Parameters

(none)

[edit] Return value

The error category of the error code.

[edit] See also

obtains the value of the error_code
(public member function) [edit]