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- /*
- * Copyright 2017-present Facebook, Inc.
- *
- * 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 <exception>
- #include <folly/CPortability.h>
- namespace folly {
- /**
- * Exception type that is thrown on invalid access of an empty `Poly` object.
- */
- struct FOLLY_EXPORT BadPolyAccess : std::exception {
- BadPolyAccess() = default;
- char const* what() const noexcept override {
- return "BadPolyAccess";
- }
- };
- /**
- * Exception type that is thrown when attempting to extract from a `Poly` a
- * value of the wrong type.
- */
- struct FOLLY_EXPORT BadPolyCast : std::bad_cast {
- BadPolyCast() = default;
- char const* what() const noexcept override {
- return "BadPolyCast";
- }
- };
- } // namespace folly
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