fix lint warnings

functions.go

@@ -0,0 +1,16 @@
+package core
+
+import (
+	"context"
+
+	"v2ray.com/core/common"
+)
+
+// CreateObject creates a new object based on the given V2Ray instance and config. The V2Ray instance may be nil.
+func CreateObject(v *Instance, config interface{}) (interface{}, error) {
+	ctx := context.Background()
+	if v != nil {
+		ctx = context.WithValue(ctx, v2rayKey, v)
+	}
+	return common.CreateObject(ctx, config)
+}