error method

@protected int error(int code, { String? message, })

Returns error code and prints a error message if provided.

Implementation

@protected
int error(int code, {String? message}) {
  if (message != null) {
    printError(message);
    // Kept for the machine readable result, if the command has failed
    // before it printed one.
    _lastErrorMessage = message;
  }
  return code;
}