Initial Commit

dependencies/amphp/amp/lib/Iterator.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace WP_Ultimo\Dependencies\Amp;
+
+/**
+ * Defines an asynchronous iterator over a set of values that is designed to be used within a coroutine.
+ *
+ * @template-covariant TValue
+ */
+interface Iterator
+{
+    /**
+     * Succeeds with true if an emitted value is available by calling getCurrent() or false if the iterator has
+     * resolved. If the iterator fails, the returned promise will fail with the same exception.
+     *
+     * @return Promise
+     * @psalm-return Promise<bool>
+     *
+     * @throws \Error If the prior promise returned from this method has not resolved.
+     * @throws \Throwable The exception used to fail the iterator.
+     */
+    public function advance() : Promise;
+    /**
+     * Gets the last emitted value or throws an exception if the iterator has completed.
+     *
+     * @return mixed  Value emitted from the iterator.
+     * @psalm-return TValue
+     *
+     * @throws \Error If the iterator has resolved or advance() was not called before calling this method.
+     * @throws \Throwable The exception used to fail the iterator.
+     */
+    public function getCurrent();
+}