std::error_code::assign

From cppreference.com
< cpplrm; | errorlrm; | error code
void assign( int ec, const error_category& ecat ) noexcept;
(since C++11)

Replaces the contents with error code ec and corresponding category ecat.

Parameters

ec - platform-dependent error code enum to assign
ecat - error category corresponding to ec

Return value

(none)

See also

assigns another error code
(public member function)