Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibJS/Runtime/SetIterator.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/HashTable.h>
+#include <LibJS/Runtime/Object.h>
+#include <LibJS/Runtime/Set.h>
+
+namespace JS {
+
+class SetIterator final : public Object {
+    JS_OBJECT(SetIterator, Object);
+    JS_DECLARE_ALLOCATOR(SetIterator);
+
+public:
+    static NonnullGCPtr<SetIterator> create(Realm&, Set& set, Object::PropertyKind iteration_kind);
+
+    virtual ~SetIterator() override = default;
+
+    Set& set() const { return m_set; }
+    bool done() const { return m_done; }
+    Object::PropertyKind iteration_kind() const { return m_iteration_kind; }
+
+private:
+    friend class SetIteratorPrototype;
+
+    explicit SetIterator(Set& set, Object::PropertyKind iteration_kind, Object& prototype);
+
+    virtual void visit_edges(Cell::Visitor&) override;
+
+    NonnullGCPtr<Set> m_set;
+    bool m_done { false };
+    Object::PropertyKind m_iteration_kind;
+    Map::ConstIterator m_iterator;
+};
+
+}