diff --git a/.gitignore b/.gitignore
index d1502b0..e9c8bd6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 vendor/
 composer.lock
+.vscode
\ No newline at end of file
diff --git a/promises/index.php b/promises/index.php
index 7866911..ee70ae9 100644
--- a/promises/index.php
+++ b/promises/index.php
@@ -9,10 +9,7 @@ Lib\plain();
 Lib\printf('https://sergio.am/code/www-tests');
 
 use GuzzleHttp\Client;
-use GuzzleHttp\Promise;
 use GuzzleHttp\Pool;
-use GuzzleHttp\Psr7\Response;
-use GuzzleHttp\Promise\EachPromise;
 
 Lib\printf('client');
 
diff --git a/promises/simple.php b/promises/simple.php
new file mode 100644
index 0000000..08efc16
--- /dev/null
+++ b/promises/simple.php
@@ -0,0 +1,37 @@
+<?php
+
+require_once(dirname(__FILE__) .'/vendor/autoload.php');
+
+// lib.php, helper functions
+Lib\plain();
+Lib\printf('https://sergio.am/code/www-tests');
+
+use GuzzleHttp\Client;
+use Psr\Http\Message\ResponseInterface;
+use GuzzleHttp\Exception\RequestException;
+
+Lib\printf('client');
+
+$client = new Client(['base_uri' => 'http://httpbin.org/']);
+
+Lib\printf('promise');
+
+$promise = $client->getAsync('/get');
+
+Lib\printf('then');
+
+$promise->then(
+    function (ResponseInterface $res) {
+        echo $res->getStatusCode() . "\n";
+    },
+    function (RequestException $e) {
+        echo $e->getMessage() . "\n";
+        echo $e->getRequest()->getMethod();
+    }
+);
+
+Lib\printf('wait');
+
+$promise->wait();
+
+Lib\printf('end');