nullability/test/optional

// Part of the Crubit project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

// Mock of standard library <optional> header.

#ifndef CRUBIT_NULLABILITY_TEST_OPTIONAL_
#define CRUBIT_NULLABILITY_TEST_OPTIONAL_

namespace std {
template <class T>
struct optional {
  bool has_value() const;
  T *operator->();
  const T *operator->() const;
  const T &operator*() const;
  const T &value() const;
};
}  // namespace std

#endif  // CRUBIT_NULLABILITY_TEST_OPTIONAL_