diff --git a/test.php b/test.php
index 221ada9dbaae6abab226ef21c65bbf64b6caba88..30d2800b7c66fbbd779f9eb867516e7db4dc6ad3 100644
--- a/test.php
+++ b/test.php
@@ -6,4 +6,8 @@ function task($a, $b)
 	echo $b . PHP_EOL;
 }
 
-Study\Coroutine::create('task', 'a', 'b');
\ No newline at end of file
+Study\Coroutine::create('task', 'a', 'b');
+Study\Coroutine::create(function ($a, $b) {
+	echo $a . PHP_EOL;
+	echo $b . PHP_EOL;
+}, 'a', 'b');