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#ifndef BOOST_SMART_PTR_OWNER_LESS_HPP_INCLUDED
#define BOOST_SMART_PTR_OWNER_LESS_HPP_INCLUDED
//
// owner_less.hpp
//
// Copyright (c) 2008 Frank Mori Hess
// Copyright (c) 2016 Peter Dimov
//
// 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/smart_ptr/smart_ptr.htm for documentation.
//
namespace boost
{
template<class T = void> struct owner_less
{
typedef bool result_type;
typedef T first_argument_type;
typedef T second_argument_type;
template<class U, class V> bool operator()( U const & u, V const & v ) const
{
return u.owner_before( v );
}
};
} // namespace boost
#endif // #ifndef BOOST_SMART_PTR_OWNER_LESS_HPP_INCLUDED
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