48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <exception>
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#include <typeinfo>
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#include <folly/CPortability.h>
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namespace folly {
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/**
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* Exception type that is thrown on invalid access of an empty `Poly` object.
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*/
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struct FOLLY_EXPORT BadPolyAccess : std::exception {
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BadPolyAccess() = default;
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char const* what() const noexcept override {
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return "BadPolyAccess";
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}
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};
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/**
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* Exception type that is thrown when attempting to extract from a `Poly` a
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* value of the wrong type.
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*/
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struct FOLLY_EXPORT BadPolyCast : std::bad_cast {
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BadPolyCast() = default;
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char const* what() const noexcept override {
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return "BadPolyCast";
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}
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};
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} // namespace folly
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