Add return types to tests and final|internal|private methods

nicolas-grekas · nicolas-grekas · commit e95ba1003f7a · 2019-08-21T17:14:41.000+02:00
diff --git a/HttpHeaderSerializer.php b/HttpHeaderSerializer.php
@@ -26,10 +26,8 @@ final class HttpHeaderSerializer
      * Builds the value of the "Link" HTTP header.
      *
      * @param LinkInterface[]|\Traversable $links
-     *
-     * @return string|null
      */
-    public function serialize(iterable $links)
+    public function serialize(iterable $links): ?string
     {
         $elements = [];
         foreach ($links as $link) {

Original file line number	Diff line number	Diff line change
`@@ -26,10 +26,8 @@ final class HttpHeaderSerializer`
`26`	`26`	`* Builds the value of the "Link" HTTP header.`
`27`	`27`	`*`
`28`	`28`	`* @param LinkInterface[]\|\Traversable $links`
`29`		`- *`
`30`		`- * @return string\|null`
`31`	`29`	`*/`
`32`		`- public function serialize(iterable $links)`
	`30`	`+ public function serialize(iterable $links): ?string`
`33`	`31`	`{`
`34`	`32`	`$elements = [];`
`35`	`33`	`foreach ($links as $link) {`