Initial Commit

dependencies/amphp/amp/lib/Success.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace WP_Ultimo\Dependencies\Amp;
+
+use WP_Ultimo\Dependencies\React\Promise\PromiseInterface as ReactPromise;
+/**
+ * Creates a successful promise using the given value (which can be any value except an object implementing
+ * `Amp\Promise` or `React\Promise\PromiseInterface`).
+ *
+ * @template-covariant TValue
+ * @template-implements Promise<TValue>
+ */
+final class Success implements Promise
+{
+    /** @var mixed */
+    private $value;
+    /**
+     * @param mixed $value Anything other than a Promise object.
+     *
+     * @psalm-param TValue $value
+     *
+     * @throws \Error If a promise is given as the value.
+     */
+    public function __construct($value = null)
+    {
+        if ($value instanceof Promise || $value instanceof ReactPromise) {
+            throw new \Error("Cannot use a promise as success value");
+        }
+        $this->value = $value;
+    }
+    /**
+     * {@inheritdoc}
+     */
+    public function onResolve(callable $onResolved)
+    {
+        try {
+            $result = $onResolved(null, $this->value);
+            if ($result === null) {
+                return;
+            }
+            if ($result instanceof \Generator) {
+                $result = new Coroutine($result);
+            }
+            if ($result instanceof Promise || $result instanceof ReactPromise) {
+                Promise\rethrow($result);
+            }
+        } catch (\Throwable $exception) {
+            Loop::defer(static function () use($exception) {
+                throw $exception;
+            });
+        }
+    }
+}