first commit

libraries/vendor/fig/link-util/src/GenericLinkProvider.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Fig\Link;
+
+use Psr\Link\EvolvableLinkProviderInterface;
+use Psr\Link\LinkInterface;
+
+class GenericLinkProvider implements EvolvableLinkProviderInterface
+{
+    use EvolvableLinkProviderTrait;
+
+    /**
+     * Constructs a new link provider.
+     *
+     * @param LinkInterface[] $links
+     *   Optionally, specify an initial set of links for this provider.
+     *   Note that the keys of the array will be ignored.
+     */
+    public function __construct(array $links = [])
+    {
+        // This block will throw a type error if any item isn't a LinkInterface, by design.
+        array_filter($links, fn(LinkInterface $item) => true);
+
+        $hashes = array_map('spl_object_hash', $links);
+        $this->links = array_combine($hashes, $links);
+    }
+}