std::error_category:: name

From cppreference.com
Utilities library
General utilities
Relational operators (deprecated in C++20)
virtual const char * name ( ) const noexcept = 0 ;
(since C++11)

Returns a pointer to a null-terminated byte string that specifies the name of the error category.

Parameters

(none)

Return value

Null-terminated byte string specifying the name of the error category.