Replace more docblocks by type-hints

Author: nicolas-grekas

Exception/FileNotFoundException.php

@@ -19,7 +19,7 @@
  */
 class FileNotFoundException extends IOException
 {
-    public function __construct($message = null, $code = 0, \Exception $previous = null, $path = null)
+    public function __construct(string $message = null, int $code = 0, \Exception $previous = null, string $path = null)
     {
         if (null === $message) {
             if (null === $path) {

Exception/IOException.php

@@ -22,7 +22,7 @@ class IOException extends \RuntimeException implements IOExceptionInterface
 {
     private $path;
 
-    public function __construct($message, $code = 0, \Exception $previous = null, $path = null)
+    public function __construct(string $message, int $code = 0, \Exception $previous = null, string $path = null)
     {
         $this->path = $path;
 

Filesystem.php

@@ -740,12 +740,8 @@ private function toIterator($files)
 
     /**
      * Gets a 2-tuple of scheme (may be null) and hierarchical part of a filename (e.g. file:///tmp -> array(file, tmp)).
-     *
-     * @param string $filename The filename to be parsed
-     *
-     * @return array The filename scheme and hierarchical part
      */
-    private function getSchemeAndHierarchy($filename)
+    private function getSchemeAndHierarchy(string $filename): array
     {
         $components = explode('://', $filename, 2);
 

Tests/FilesystemTest.php

@@ -1602,12 +1602,8 @@ public function testCopyShouldKeepExecutionPermission()
 
     /**
      * Normalize the given path (transform each blackslash into a real directory separator).
-     *
-     * @param string $path
-     *
-     * @return string
      */
-    private function normalize($path)
+    private function normalize(string $path): string
     {
         return str_replace('/', DIRECTORY_SEPARATOR, $path);
     }