chore: add classical provider for nameserver-policy, and rename domain-set to rule-set

component/trie/sskv.go

@@ -20,7 +20,7 @@ type Set struct {
 	leaves, labelBitmap []uint64
 	labels              []byte
 	ranks, selects      []int32
-	isEmpty bool
+	isEmpty             bool
 }
 
 // NewSet creates a new *Set struct, from a slice of sorted strings.
@@ -48,7 +48,7 @@ func NewDomainTrieSet(keys []string) *Set {
 	keys = reserveDomains
 	ss := &Set{}
 	if len(keys) == 0 {
-		ss.isEmpty=true
+		ss.isEmpty = true
 		return ss
 	}
 	lIdx := 0
@@ -84,7 +84,7 @@ func NewDomainTrieSet(keys []string) *Set {
 
 // Has query for a key and return whether it presents in the Set.
 func (ss *Set) Has(key string) bool {
-	if ss.isEmpty{
+	if ss.isEmpty {
 		return false
 	}
 	key = utils.Reverse(key)