std::error_category::message (3) Linux Manual Page
std::error_category::message – std::error_category::message
Synopsis
virtual std::string message(int condition) const = 0;
(since C++ 11)Returns a string describing the given error condition for the error category represented by *this.
Parameters
condition – specifies the error condition to describe
Return value
A string describing the given error condition.
Exceptions
(none)