// Copyright 2006-2009 Daniel James. // Copyright 2021 Peter Dimov. // Distributed under the Boost Software License, Version 1.0. // https://www.boost.org/LICENSE_1_0.txt) #include #include int main() { std::deque x; x.push_back( 1 ); x.push_back( 2 ); return boost::hash< std::deque >()( x ) == boost::hash_value( x )? 0: 1; }