Made the code more robust.

Extended functionality with helper functions.

bin/example/arrays.php

@@ -0,0 +1,15 @@
+#!/usr/bin/php
+<?php
+
+use function Joop\Asynchronous\async;
+
+require_once __DIR__ . '/../../vendor/autoload.php';
+
+$promise = async(function () {
+	sleep(1);
+
+	return range(random_int(0, 10), random_int(20, 60));
+});
+
+$array = $promise->resolve()->getValue();
+var_dump($array);

bin/example/objects.php

@@ -0,0 +1,37 @@
+#!/usr/bin/php
+<?php
+
+use function Joop\Asynchronous\async;
+
+require_once __DIR__ . '/../../vendor/autoload.php';
+
+
+// Example class
+class Sample
+{
+	private $data;
+
+	public function __construct()
+	{
+		$this->data = [1, 2, 3];
+	}
+
+	public function getData()
+	{
+		return $this->data;
+	}
+}
+
+// Create the process
+$promise = async(function () {
+	sleep(2);
+
+	return new Sample();
+});
+
+// We can do some other stuff here while the process is running
+
+// Resolve the promise
+/** @var Sample $sample */
+$sample = $promise->resolve()->getValue();
+var_dump($sample->getData());

bin/example/sample.php

@@ -0,0 +1,14 @@
+#!/usr/bin/php
+<?php
+
+use function Joop\Asynchronous\async;
+
+require_once __DIR__ . '/../../vendor/autoload.php';
+
+$process = function ($number) {
+	sleep($number);
+	return $number;
+};
+
+async($process, 2);
+// Do stuff...