amphp (#11)

src/Stream/NullStream.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsq\Stream;
+
+use Amp\Promise;
+use Amp\Success;
+use Nsq\Stream;
+use function Amp\call;
+
+final class NullStream implements Stream
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function read(): Promise
+    {
+        return new Success(null);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function write(string $data): Promise
+    {
+        return call(static function (): void {
+        });
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function close(): void
+    {
+    }
+}