all: imp code

Author: ainar-g

internal/cmd/proxy.go

@@ -526,8 +526,8 @@ func loadServersList(sources []string) []string {
 			servers = append(servers, source)
 		}
 
-		lines := strings.SplitSeq(string(data), "\n")
-		for line := range lines {
+		// TODO(a.garipov):  Be smarter about bytes vs. strings.
+		for line := range strings.SplitSeq(string(data), "\n") {
 			line = strings.TrimSpace(line)
 
 			// Ignore comments in the file.

upstream/doq.go

@@ -285,7 +285,7 @@ func (p *dnsOverQUIC) getBytesPool() (pool *sync.Pool) {
 
 	if p.bytesPool == nil {
 		p.bytesPool = &sync.Pool{
-			New: func() any {
+			New: func() (res any) {
 				b := make([]byte, dns.MaxMsgSize)
 
 				return &b

upstream/dot_internal_test.go

@@ -67,7 +67,6 @@ func TestUpstream_dnsOverTLS_race(t *testing.T) {
 	wg := sync.WaitGroup{}
 	for range count {
 		wg.Go(func() {
-
 			pt := testutil.PanicT{}
 
 			req := createTestMessage()