chromium/third_party/abseil-cpp/absl/strings/internal/cord_data_edge.h

// Copyright 2022 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_STRINGS_INTERNAL_CORD_DATA_EDGE_H_
#define ABSL_STRINGS_INTERNAL_CORD_DATA_EDGE_H_

#include <cassert>
#include <cstddef>

#include "absl/base/config.h"
#include "absl/strings/internal/cord_internal.h"
#include "absl/strings/internal/cord_rep_flat.h"
#include "absl/strings/string_view.h"

namespace absl {
ABSL_NAMESPACE_BEGIN
namespace cord_internal {

// Returns true if the provided rep is a FLAT, EXTERNAL or a SUBSTRING node
// holding a FLAT or EXTERNAL child rep. Requires `rep != nullptr`.
inline bool IsDataEdge(const CordRep* edge) { … }

// Returns the `absl::string_view` data reference for the provided data edge.
// Requires 'IsDataEdge(edge) == true`.
inline absl::string_view EdgeData(const CordRep* edge) { … }

}  // namespace cord_internal
ABSL_NAMESPACE_END
}  // namespace absl

#endif  // ABSL_STRINGS_INTERNAL_CORD_DATA_EDGE_H_