Add CallableProvider trait for tests

2020-12-14 12:56:41 +01:00 · 2020-12-14 12:56:41 +01:00 · dd48e20b8f
commit dd48e20b8f
parent af2708e7e8
1 changed files with 13 additions and 0 deletions
--- a/src/Tests/Tools/CallableProvider.php
+++ b/src/Tests/Tools/CallableProvider.php
@ -0,0 +1,13 @@
+<?php
+
+namespace Toalett\Multiprocessing\Tests\Tools;
+
+trait CallableProvider
+{
+    protected static function emptyCallable(): callable
+    {
+        static $fn = null;
+        $fn ??= static fn() => null;
+        return $fn;
+    }
+}