// Copyright 2006 Alexander Nasonov.
// Copyright Antony Polukhin, 2013-2025.
//// 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)
#include<boost/any/unique_any.hpp>intmain(){
boost::anys::unique_any const a;
boost::any_cast<int&>(a);}