From ad459bc9bd35eafcf120f2c8c3f0082d27d2b3aa Mon Sep 17 00:00:00 2001
From: Davide Bellettini <davide@bellettini.me>
Date: Sat, 26 Sep 2015 15:43:16 +0200
Subject: [PATCH] Use less strict type hint

---
 src/CacheMiddleware.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/CacheMiddleware.php b/src/CacheMiddleware.php
index 9e707e34..76436c85 100644
--- a/src/CacheMiddleware.php
+++ b/src/CacheMiddleware.php
@@ -102,11 +102,11 @@ public function purgeReValidation()
     }
 
     /**
-     * @param \Closure $handler
+     * @param callable $handler
      *
-     * @return \Closure
+     * @return callable
      */
-    public function __invoke(\Closure $handler)
+    public function __invoke(callable $handler)
     {
         return function (RequestInterface $request, array $options) use (&$handler) {
             if (!isset($this->httpMethods[strtoupper($request->getMethod())])) {