diff --git a/src/sync/waitgroup.go b/src/sync/waitgroup.go
index 40306d9327..9a564c5f7b 100644
--- a/src/sync/waitgroup.go
+++ b/src/sync/waitgroup.go
@@ -83,3 +83,11 @@ func (wg *WaitGroup) Wait() {
 		}
 	}
 }
+
+func (wg *WaitGroup) Go(f func()) {
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		f()
+	}()
+}