提交 v1.3.0 beta

server/common/sets/set.go

@@ -0,0 +1,34 @@
+package sets
+
+func NewStringSet() *Set {
+	return &Set{data: make(map[string]struct{})}
+}
+
+type Set struct {
+	data map[string]struct{}
+}
+
+func (s *Set) Add(key ...string) {
+	for _, k := range key {
+		s.data[k] = struct{}{}
+	}
+}
+
+func (s *Set) Remove(key ...string) {
+	for _, k := range key {
+		delete(s.data, k)
+	}
+}
+
+func (s *Set) Contains(key string) bool {
+	_, ok := s.data[key]
+	return ok
+}
+
+func (s *Set) ToArray() []string {
+	var keys []string
+	for key, _ := range s.data {
+		keys = append(keys, key)
+	}
+	return keys
+}