add go reference

README.md

@@ -4,6 +4,7 @@
 [![Build Status](https://travis-ci.org/HDT3213/godis.svg?branch=master)](https://travis-ci.org/HDT3213/godis)
 [![Coverage Status](https://coveralls.io/repos/github/HDT3213/godis/badge.svg?branch=master)](https://coveralls.io/github/HDT3213/godis?branch=master)
 [![Go Report Card](https://goreportcard.com/badge/github.com/HDT3213/godis)](https://goreportcard.com/report/github.com/HDT3213/godis)
+[![Go Reference](https://pkg.go.dev/badge/github.com/hdt3213/godis.svg)](https://pkg.go.dev/github.com/hdt3213/godis)
 
 [中文版](https://github.com/hdt3213/godis/blob/master/README_CN.md)
 

datastruct/list/linked.go

@@ -316,11 +316,3 @@ func Make(vals ...interface{}) *LinkedList {
 	}
 	return &list
 }
-
-func MakeBytesList(vals ...[]byte) *LinkedList {
-	list := LinkedList{}
-	for _, v := range vals {
-		list.Add(v)
-	}
-	return &list
-}

datastruct/list/linked_test.go

@@ -30,6 +30,16 @@ func TestAdd(t *testing.T) {
 	})
 }
 
+func TestLinkedList_Contains(t *testing.T) {
+	list := Make(1, 2, 3, 4)
+	if !list.Contains(1) {
+		t.Error("expect true actual false")
+	}
+	if list.Contains(-1) {
+		t.Error("expect false actual true")
+	}
+}
+
 func TestGet(t *testing.T) {
 	list := Make()
 	for i := 0; i < 10; i++ {