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Copy pathoptional.hpp
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42 lines (35 loc) · 1.04 KB
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/* Copyright 2021 - 2025 R. Thomas
* Copyright 2021 - 2025 Quarkslab
*
* 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.
*/
#ifndef LIEF_OPTIONAL_H
#define LIEF_OPTIONAL_H
#include "LIEF/errors.hpp"
namespace LIEF {
template<class T>
class optional : public result<T> {
public:
using result<T>::result;
optional() :
result<T>(tl::make_unexpected(lief_errors::not_found))
{}
void reset() noexcept {
new (this) optional();
}
};
inline tl::unexpected<lief_errors> nullopt() {
return make_error_code(lief_errors::not_found);
}
}
#endif