simplify task package implementation

internal/utils/atomic/atomic_value.go

@@ -0,0 +1,30 @@
+package atomic
+
+import (
+	"encoding/json"
+	"sync/atomic"
+)
+
+type Value[T any] struct {
+	atomic.Value
+}
+
+func (a *Value[T]) Load() T {
+	return a.Value.Load().(T)
+}
+
+func (a *Value[T]) Store(v T) {
+	a.Value.Store(v)
+}
+
+func (a *Value[T]) Swap(v T) T {
+	return a.Value.Swap(v).(T)
+}
+
+func (a *Value[T]) CompareAndSwap(oldV, newV T) bool {
+	return a.Value.CompareAndSwap(oldV, newV)
+}
+
+func (a *Value[T]) MarshalJSON() ([]byte, error) {
+	return json.Marshal(a.Load())
+}