Handling Network error

handle_network_error.go

func networkRequest() {
	body, err := makeRequest("url", "GET")
	if err != nil {
		switch err := err.(type) {
		case *NetworkError:
			if err.IsAccessDenied() {
				// handle access denied here.
			} else if err.IsAuthError() {
				// handle auth error here.
			} else if err.IsResourceNotFound() {
				// handle resource not found here.	
			} else if err.IsServerError() {
				// handle server error here.
			}
			break
		case *InvalidUrlError:
			// handle invalid url error.
			break
		default:
			// handle other errors
		}
	}
	// handle body
}