From 799a6ae1abaabda859abd988e50cf03dd892aba0 Mon Sep 17 00:00:00 2001
From: Vladislav Kaverin <vladislav.v.kaverin@gmail.com>
Date: Thu, 12 May 2022 23:04:30 +0300
Subject: [PATCH] Serialization: do not wrap nullable types with extra
 parentheses.

---
 src/InstanceSerialization/PHPDocType.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/InstanceSerialization/PHPDocType.php b/src/InstanceSerialization/PHPDocType.php
index 0cb730a..9514471 100644
--- a/src/InstanceSerialization/PHPDocType.php
+++ b/src/InstanceSerialization/PHPDocType.php
@@ -48,7 +48,7 @@ protected static function removeIfStartsWith(string &$haystack, $needle): bool {
 
   protected static function parseImpl(string &$str): ?PHPDocType {
     if (self::removeIfStartsWith($str, "?")) {
-      $str = "null|({$str})";
+      $str = "null|{$str}";
     }
 
     $res = InstanceType::parse($str) ?: