std::system_error::code
From cppreference.com
< cpp | error | system error
C++
Feature test macros (C++20)
Concepts library (C++20)
Metaprogramming library (C++11)
Ranges library (C++20)
Filesystem library (C++17)
Concurrency support library (C++11)
Execution control library (C++26)
Utilities library
Type support (basic types, RTTI)
Library feature-test macros (C++20)
(C++11)
(C++20)
(C++26)
(C++20)
Coroutine support (C++20)
Contract support (C++26)
(C++20)(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)(C++20)
(C++20)(C++20)(C++20)
General utilities
Relational operators (deprecated in C++20)
(C++20)(C++20)(C++20)
(C++20)(C++20)(C++20)
(C++20)
Swap and type operations
Common vocabulary types
Diagnostics library
(until C++20*)
(C++17)(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Exception handling failures
(C++11)
(until C++17*)
(until C++17*)
(until C++17*)
(until C++17*)
(TM TS)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++23)
(C++23)
(C++26)
(C++26)
(C++26)
std::system_error
Member functions
system_error::code
const std::error_code & code() const noexcept;
(since C++11)
Returns the stored error code.
[edit] Parameters
(none)
[edit] Return value
The stored error code.