// as mandated by RFC 3986 Section 6.2.3.
func removeEmptyPort(host string) string {
	if hasPort(host) {
		return strings.TrimSuffix(host, ":")
	}
	return host
}

func isNotToken(r rune) bool {
	return !httpguts.IsTokenRune(r)
}

// stringContainsCTLByte reports whether s contains any ASCII control character.
func stringContainsCTLByte(s string) bool {
	for i := 0; i < len(s); i++ {

			return "", quoted, false
		}
	}
	return raw, quoted, true
}

func isCookieNameValid(raw string) bool {
	if raw == "" {
		return false
	}
	return strings.IndexFunc(raw, isNotToken) < 0

	                    | extension-method
	   extension-method = token
	     token          = 1*<any CHAR except CTLs or separators>
	*/
	return len(method) > 0 && strings.IndexFunc(method, isNotToken) == -1
}

// NewRequest wraps [NewRequestWithContext] using [context.Background].
func NewRequest(method, url string, body io.Reader) (*Request, error) {