std::error_code::default_error_condition (3) - Linux Manuals
std::error_code::default_error_condition: std::error_code::default_error_condition
NAME
std::error_code::default_error_condition - std::error_code::default_error_condition
Synopsis
std::error_condition default_error_condition() const noexcept; (since C++11)
Returns the default error condition for the current error value.
Equivalent to category().default_error_condition(value()).
Parameters
(none)
Return value
The default error condition for the current error value.