bad_optional_access.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2021 Tobias Hienzsch
 
#ifndef TETL_OPTIONAL_BAD_OPTIONAL_ACCESS_HPP
#define TETL_OPTIONAL_BAD_OPTIONAL_ACCESS_HPP
 
#include <etl/_exception/exception.hpp>
 
namespace etl {
 
/// \brief Defines a type of object to be thrown by etl::optional::value when
/// accessing an optional object that does not contain a value.
///
/// https://en.cppreference.com/w/cpp/utility/optional/bad_optional_access
///
/// \ingroup optional
struct bad_optional_access : etl::exception {
    constexpr bad_optional_access() = default;
 
    constexpr explicit bad_optional_access(char const* what)
        : exception{what}
    {
    }
};
 
} // namespace etl
 
#endif // TETL_OPTIONAL_BAD_OPTIONAL_ACCESS_HPP