chromium/components/optimization_guide/core/insertion_ordered_set.h

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_OPTIMIZATION_GUIDE_CORE_INSERTION_ORDERED_SET_H_
#define COMPONENTS_OPTIMIZATION_GUIDE_CORE_INSERTION_ORDERED_SET_H_

#include <vector>

#include "base/containers/flat_set.h"

namespace optimization_guide {

// Keeps a set of unique element, while preserving the insertion order. vector()
// can be accessed to get the ordered elements.
template <typename T>
class InsertionOrderedSet { … };

}  // namespace optimization_guide

#endif  // COMPONENTS_OPTIMIZATION_GUIDE_CORE_INSERTION_ORDERED_SET_H_