// Copyright Antony Polukhin, 2020-2026.

//

// Distributed under the Boost Software License, Version 1.0. (See

// accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

// See http://www.boost.org/libs/any for Documentation.

#ifndef BOOST_ANYS_BAD_ANY_CAST_HPP_INCLUDED

#define BOOST_ANYS_BAD_ANY_CAST_HPP_INCLUDED

#include <boost/any/detail/config.hpp>

#if !defined(BOOST_USE_MODULES) || defined(BOOST_ANY_INTERFACE_UNIT)

#ifndef BOOST_ANY_INTERFACE_UNIT

#include <boost/config.hpp>

#ifdef BOOST_HAS_PRAGMA_ONCE

#   pragma once

#endif

#ifndef BOOST_NO_RTTI

#include <typeinfo>

#endif

#include <stdexcept>

#endif  // #ifndef BOOST_ANY_INTERFACE_UNIT

namespace boost {

BOOST_ANY_BEGIN_MODULE_EXPORT

/// The exception thrown in the event of a failed boost::any_cast of

/// an boost::any, boost::anys::basic_any or boost::anys::unique_any value.

class BOOST_SYMBOL_VISIBLE bad_any_cast :

#ifndef BOOST_NO_RTTI

    public std::bad_cast

#else

    public std::exception

#endif

{

public:

    const char * what() const BOOST_NOEXCEPT_OR_NOTHROW override

    {

        return "boost::bad_any_cast: "

               "failed conversion using boost::any_cast";

    }

};

BOOST_ANY_END_MODULE_EXPORT

} // namespace boost

#endif  // #if !defined(BOOST_USE_MODULES) || defined(BOOST_ANY_INTERFACE_UNIT)

#endif // #ifndef BOOST_ANYS_BAD_ANY_CAST_HPP_INCLUDED