func strings.Join

17 uses

	strings (current package)
		strings.go#L487: func Join(elems []string, sep string) string {

	crypto/tls
		common.go#L1343: 			wildcardName := strings.Join(labels, ".")

	crypto/x509
		verify.go#L136: 		valid.WriteString(strings.Join(c.DNSNames, ", "))
		verify.go#L656: 		err = CertificateInvalidError{c, NoValidChains, strings.Join(details, ", ")}

	encoding/json
		decode.go#L264: 			err.Field = strings.Join(fieldStack, ".")

	github.com/coder/websocket
		dial.go#L217: 		req.Header.Set("Sec-WebSocket-Protocol", strings.Join(opts.Subprotocols, ","))

	github.com/gotd/td/tgerr
		error.go#L112: 	e.Type = strings.Join(nonDigit, "_")

	github.com/refraction-networking/utls
		common.go#L1339: 			wildcardName := strings.Join(labels, ".")

	net/http
		client.go#L804: 				ireqhdr.Set("Cookie", strings.Join(ss, "; "))
		fs.go#L59: 		fi, err := stat(strings.Join(parts[:i+1], string(sep)))
		http.go#L77: 	return "{" + strings.Join(s, ",") + "}"
		server.go#L2706: 				w.Header().Set("Allow", strings.Join(allowedMethods, ", "))
		transfer.go#L325: 			if _, err := io.WriteString(w, "Trailer: "+strings.Join(keys, ",")+"\r\n"); err != nil {

	net/http/internal/httpcommon
		httpcommon.go#L474: 		return strings.Join(keys, ","), nil
		httpcommon.go#L565: 		rp.Header["Cookie"] = []string{strings.Join(cookies, "; ")}

	path/filepath
		path_unix.go#L36: 			return Clean(strings.Join(elem[i:], string(Separator)))

	vendor/golang.org/x/net/idna
		idna10.0.0.go#L559: 		return strings.Join(l.slice, ".")