code: func (h *windowsAnsiEventHandler) scrollLine(columns int, position COORD, info *CONSOLE_SCREEN_BUFFER_INFO) error {
  	// Copy from and clip to the scroll region (full buffer width)
  	scrollRect := SMALL_RECT{
  		Top:    position.Y,
  		Bottom: position.Y,
  		Left:   position.X,
  		Right:  info.Size.X - 1,
  	}
  
  	// Origin to which area should be copied
  	destOrigin := COORD{
  		X: position.X - int16(columns),
  		Y: position.Y,
  	}
  
  	char := CHAR_INFO{
  		UnicodeChar: ' ',
  		Attributes:  h.attributes,
  	}
  
  	if err := ScrollConsoleScreenBuffer(h.fd, scrollRect, scrollRect, destOrigin, char); err != nil {
  		return err
  	}
  	return nil
  }
docs: // scrollLine scrolls a line horizontally starting at the provided position by a number of columns.