//
// Copyright (C) 2022 The Android Open Source Project
//
// 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
//
//      http://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.

#pragma once

#include "android-base/result.h"  // IWYU pragma: export

#include "cuttlefish/result/error_type.h"

namespace cuttlefish {

/**
 * Result is comparable to `std::expected` in C++23, or Rust's `Result` type,
 * but specialized to use a specific error type. The error type tracks a stack
 * trace of the failure that is built as a failure unrolls the call stack.
 */
template <typename T>
using Result = android::base::expected<T, StackTraceError>;

}  // namespace cuttlefish
