From d2025541b29d275ddba3784f3c59416ba5777f56 Mon Sep 17 00:00:00 2001
From: Niklas Keller <me@kelunik.com>
Date: Sat, 21 Mar 2020 21:15:39 +0100
Subject: [PATCH] Fix psalm annotation for Amp\Promise

---
 lib/Promise.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Promise.php b/lib/Promise.php
index c758193..47b6248 100644
--- a/lib/Promise.php
+++ b/lib/Promise.php
@@ -27,6 +27,8 @@ interface Promise
      *     be `null` on success, while the second shall be `null` on failure.
      *
      * @return void
+     *
+     * @psalm-mutation-free
      */
     public function onResolve(callable $onResolved);
 }