Added return type annotation

symfony · Jan 9, 2020 · 6a3f9bc · 6a3f9bc
1 parent f9a675e
commit 6a3f9bc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Symfony/Component/Mailer/Bridge/Mailchimp/Http/MandrillTransport.php b/src/Symfony/Component/Mailer/Bridge/Mailchimp/Http/MandrillTransport.php
@@ -64,7 +64,7 @@ protected function doSend(SentMessage $message): void
      */
     private function getRecipients(SmtpEnvelope $envelope): array
     {
-        return array_map(function (Address $recipient) {
+        return array_map(function (Address $recipient): string {
             return $recipient->getAddress();
         }, $envelope->getRecipients());
     }