code: func ConvertAreas(db application.DB, request *http.Request, areas []area.Area, additional ...AreaConvertFunc) []*app.Area {
  	var is = []*app.Area{}
  	for _, i := range areas {
  		is = append(is, ConvertArea(db, request, i, additional...))
  	}
  	return is
  }
docs: // ConvertAreas converts between internal and external REST representation