chromium/third_party/abseil-cpp/absl/container/internal/btree_container.h

// Copyright 2018 The Abseil Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef ABSL_CONTAINER_INTERNAL_BTREE_CONTAINER_H_
#define ABSL_CONTAINER_INTERNAL_BTREE_CONTAINER_H_

#include <algorithm>
#include <initializer_list>
#include <iterator>
#include <utility>

#include "absl/base/attributes.h"
#include "absl/base/internal/throw_delegate.h"
#include "absl/container/internal/btree.h"  // IWYU pragma: export
#include "absl/container/internal/common.h"
#include "absl/memory/memory.h"
#include "absl/meta/type_traits.h"

namespace absl {
ABSL_NAMESPACE_BEGIN
namespace container_internal {

// A common base class for btree_set, btree_map, btree_multiset, and
// btree_multimap.
template <typename Tree>
class btree_container { … };

// A common base class for btree_set and btree_map.
template <typename Tree>
class btree_set_container : public btree_container<Tree> { … };

// Base class for btree_map.
template <typename Tree>
class btree_map_container : public btree_set_container<Tree> { … };

// A common base class for btree_multiset and btree_multimap.
template <typename Tree>
class btree_multiset_container : public btree_container<Tree> { … };

// A base class for btree_multimap.
template <typename Tree>
class btree_multimap_container : public btree_multiset_container<Tree> { … };

}  // namespace container_internal
ABSL_NAMESPACE_END
}  // namespace absl

#endif  // ABSL_CONTAINER_INTERNAL_BTREE_CONTAINER_H_