feat: create a hashset subclass with a rwlock

structs/set.go

@@ -0,0 +1,39 @@
+package structs
+
+import (
+	"github.com/emirpasic/gods/sets"
+	"github.com/emirpasic/gods/sets/hashset"
+	"sync"
+)
+
+var _ sets.Set = (*SetImpl)(nil)
+
+type SetImpl struct {
+	*hashset.Set
+	mutex *sync.RWMutex
+}
+
+func NewSet() *SetImpl {
+	return &SetImpl{
+		Set:   hashset.New(),
+		mutex: &sync.RWMutex{},
+	}
+}
+
+func (s *SetImpl) Add(items ...interface{}) {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+	s.Set.Add(items...)
+}
+
+func (s *SetImpl) Remove(items ...interface{}) {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+	s.Set.Remove(items...)
+}
+
+func (s *SetImpl) Contains(items ...interface{}) bool {
+	s.mutex.RLock()
+	defer s.mutex.RUnlock()
+	return s.Set.Contains(items...)
+}