feat: msg local cache

pkg/common/localcache/link/link_test.go

@@ -0,0 +1,24 @@
+package link
+
+import (
+	"testing"
+)
+
+func TestName(t *testing.T) {
+
+	v := New(1)
+
+	//v.Link("a:1", "b:1", "c:1", "d:1")
+	v.Link("a:1", "b:1", "c:1")
+	v.Link("z:1", "b:1")
+
+	//v.DelKey("a:1")
+	v.Del("z:1")
+
+	t.Log(v.slots[0].data)
+
+	for k, v := range v.slots[0].data {
+		t.Log(k, v)
+	}
+
+}