From 20674b89537080c2257fa69fe766ea7d5d1721cb Mon Sep 17 00:00:00 2001
From: Danny van Kooten <dannyvankooten@users.noreply.github.com>
Date: Thu, 8 Dec 2022 11:11:32 +0100
Subject: [PATCH] address PHP8.x warnings about return type

this requires PHP 7.1 for the void return type, but only for running the
test suite.
---
 tests/AltoRouterTest.php | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/tests/AltoRouterTest.php b/tests/AltoRouterTest.php
index f4b54ce..86aa6fe 100644
--- a/tests/AltoRouterTest.php
+++ b/tests/AltoRouterTest.php
@@ -25,23 +25,26 @@ class SimpleTraversable implements Iterator
         ['POST', '/bar', 'bar_action', 'second_route']
     ];
 
+    #[\ReturnTypeWillChange]
     public function current()
     {
         return $this->_data[$this->_position];
     }
+
+    #[\ReturnTypeWillChange]
     public function key()
     {
         return $this->_position;
     }
-    public function next()
+    public function next() : void 
     {
         ++$this->_position;
     }
-    public function rewind()
+    public function rewind() : void
     {
         $this->_position = 0;
     }
-    public function valid()
+    public function valid() : bool
     {
         return isset($this->_data[$this->_position]);
     }