Style: use gofumpt for fmt

dns/filters.go

@@ -32,6 +32,7 @@ func (inf *ipnetFilter) Match(ip net.IP) bool {
 type fallbackDomainFilter interface {
 	Match(domain string) bool
 }
+
 type domainFilter struct {
 	tree *trie.DomainTrie
 }

dns/middleware.go

@@ -14,8 +14,10 @@ import (
 	D "github.com/miekg/dns"
 )
 
-type handler func(ctx *context.DNSContext, r *D.Msg) (*D.Msg, error)
-type middleware func(next handler) handler
+type (
+	handler    func(ctx *context.DNSContext, r *D.Msg) (*D.Msg, error)
+	middleware func(next handler) handler
+)
 
 func withHosts(hosts *trie.DomainTrie) middleware {
 	return func(next handler) handler {

dns/resolver.go

@@ -215,7 +215,6 @@ func (r *Resolver) shouldOnlyQueryFallback(m *D.Msg) bool {
 }
 
 func (r *Resolver) ipExchange(ctx context.Context, m *D.Msg) (msg *D.Msg, err error) {
-
 	if matched := r.matchPolicy(m); len(matched) != 0 {
 		res := <-r.asyncExchange(ctx, matched, m)
 		return res.Msg, res.Error

dns/util.go

@@ -13,14 +13,12 @@ import (
 	D "github.com/miekg/dns"
 )
 
-var (
-	// EnhancedModeMapping is a mapping for EnhancedMode enum
-	EnhancedModeMapping = map[string]EnhancedMode{
-		NORMAL.String():  NORMAL,
-		FAKEIP.String():  FAKEIP,
-		MAPPING.String(): MAPPING,
-	}
-)
+// EnhancedModeMapping is a mapping for EnhancedMode enum
+var EnhancedModeMapping = map[string]EnhancedMode{
+	NORMAL.String():  NORMAL,
+	FAKEIP.String():  FAKEIP,
+	MAPPING.String(): MAPPING,
+}
 
 const (
 	NORMAL EnhancedMode = iota