checked_iterators.h | Explore in Territory

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_CONTAINERS_CHECKED_ITERATORS_H_
#define BASE_CONTAINERS_CHECKED_ITERATORS_H_

#include <concepts>
#include <iterator>
#include <memory>
#include <type_traits>

#include "base/check_op.h"
#include "base/compiler_specific.h"
#include "base/containers/util.h"
#include "base/memory/raw_ptr_exclusion.h"
#include "build/build_config.h"

namespace base {

template <typename T>
class CheckedContiguousIterator { … };

CheckedContiguousConstIterator;

}  // namespace base

// Specialize std::pointer_traits so that we can obtain the underlying raw
// pointer without resulting in CHECK failures. The important bit is the
// `to_address(pointer)` overload, which is the standard blessed way to
// customize `std::to_address(pointer)` in C++20 [1].
//
// [1] https://wg21.link/pointer.traits.optmem

pointer_traits< ::base::CheckedContiguousIterator<T>>;

#endif  // BASE_CONTAINERS_CHECKED_ITERATORS_H_
chromium/base/containers/checked_iterators.h
