GODT-1657: Stable sync (still needs more tests)

internal/safe/type.go

@@ -0,0 +1,49 @@
+package safe
+
+import "sync"
+
+type Type[T any] struct {
+	data T
+	lock sync.RWMutex
+}
+
+func NewType[T any](data T) *Type[T] {
+	return &Type[T]{
+		data: data,
+	}
+}
+
+func (s *Type[T]) Get(fn func(data T)) {
+	s.lock.RLock()
+	defer s.lock.RUnlock()
+
+	fn(s.data)
+}
+
+func (s *Type[T]) GetErr(fn func(data T) error) error {
+	s.lock.RLock()
+	defer s.lock.RUnlock()
+
+	return fn(s.data)
+}
+
+func (s *Type[T]) Set(data T) {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	s.data = data
+}
+
+func GetType[T, Ret any](s *Type[T], fn func(data T) Ret) Ret {
+	s.lock.RLock()
+	defer s.lock.RUnlock()
+
+	return fn(s.data)
+}
+
+func GetTypeErr[T, Ret any](s *Type[T], fn func(data T) (Ret, error)) (Ret, error) {
+	s.lock.RLock()
+	defer s.lock.RUnlock()
+
+	return fn(s.data)
+}