1 files changed, 9 insertions, 0 deletions
diff --git a/struct.go b/struct.go
index a20c244..2b7538a 100644
--- a/struct.go
+++ b/struct.go
@@ -1,5 +1,9 @@
 package main
 
+import (
+	"sync"
+)
+
 type Story struct {
 	Id          	int
 	//Deleted     	bool
@@ -24,3 +28,8 @@ type Link struct {
 
 type URL struct {
 }
+
+type syncMaxItem struct {
+	max_item int
+	mu sync.Mutex
+}