From 37782aca57a983ce94dd1d70fdca32af956120a7 Mon Sep 17 00:00:00 2001
From: Vladimir Mihailenco <vladimir.webdev@gmail.com>
Date: Wed, 19 Aug 2015 11:44:46 +0300
Subject: [PATCH] Add Scan example. Fixes #149.

---
 example_test.go | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/example_test.go b/example_test.go
index de9f8da..58b7dfe 100644
--- a/example_test.go
+++ b/example_test.go
@@ -109,6 +109,34 @@ func ExampleClient_Incr() {
 	// Output: 1 <nil>
 }
 
+func ExampleClient_Scan() {
+	client.FlushDb()
+	for i := 0; i < 33; i++ {
+		err := client.Set(fmt.Sprintf("key%d", i), "value", 0).Err()
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	var cursor int64
+	var n int
+	for {
+		var keys []string
+		var err error
+		cursor, keys, err = client.Scan(cursor, "", 10).Result()
+		if err != nil {
+			panic(err)
+		}
+		n += len(keys)
+		if cursor == 0 {
+			break
+		}
+	}
+
+	fmt.Printf("found %d keys\n", n)
+	// Output: found 33 keys
+}
+
 func ExampleClient_Pipelined() {
 	var incr *redis.IntCmd
 	_, err := client.Pipelined(func(pipe *redis.Pipeline) error {