added example usage of set datastructure

examples/README.md

@@ -21,7 +21,7 @@ This folder contains example scripts showing how to use Node Redis in different
 | `search-hashes.js`                       | Uses [RediSearch](https://redisearch.io) to index and search data in hashes.                                                                         |
 | `search-json.js`                         | Uses [RediSearch](https://redisearch.io/) and [RedisJSON](https://redisjson.io/) to index and search JSON data.                                      |
 | `search-knn.js`                          | Uses [RediSearch vector similarity]([https://redisearch.io/](https://redis.io/docs/stack/search/reference/vectors/)) to index and run KNN queries.   |
-| `set-scan.js`                            | An example script that shows how to use the SSCAN iterator functionality.                                                                            |
+| `set.js`                                 | An example script that shows how to use the set data structure within nodejs application.                                                                            |
 | `sorted-set.js`                          | Add members with scores to a Sorted Set and retrieve them using the ZSCAN iteractor functionality.                                                   |
 | `stream-producer.js`                     | Adds entries to a [Redis Stream](https://redis.io/topics/streams-intro) using the `XADD` command.                                                    |
 | `stream-consumer.js`                     | Reads entries from a [Redis Stream](https://redis.io/topics/streams-intro) using the blocking `XREAD` command.                                       |

examples/set.js

@@ -0,0 +1,39 @@
+// An example explaining how to add values to a set and how to retrive them
+
+import { createClient } from 'redis';
+
+const client = createClient();
+await client.connect();
+
+const setName = "user1:favorites";
+
+// if you try to add any data of type other than string you will get an error saying `Invalid argument type`
+// so before adding make sure the value is of type string or convert it using toString() method
+// https://redis.io/commands/sadd/
+await client.SADD(setName, "1");
+
+// retrieve values of the set defined
+// https://redis.io/commands/smembers/
+const favorites = await client.SMEMBERS(setName);
+for (const favorite of favorites) {
+  console.log(favorite);
+}
+
+// alternate way to retrieve data from set
+for await (const member of client.sScanIterator(setName)) {
+  console.log(member);
+}
+
+// another alternate way to retrieve values from the set
+// https://redis.io/commands/sscan/
+let iCursor = 0;
+do {
+  const { cursor, members } = await client.SSCAN(setName, iCursor);
+  members.forEach((member) => {
+    console.log(member);
+  });
+  iCursor = cursor;
+} while (iCursor !== 0)
+
+
+await client.quit();