    //  (C) Copyright Beman Dawes 1999-2003. 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)
    //  Contributed by Dave Abrahams
    //  See http://www.boost.org/libs/utility for documentation.

    #ifndef DLIB_BOOST_NONCOPYABLE_HPP_INCLUDED
    #define DLIB_BOOST_NONCOPYABLE_HPP_INCLUDED

    namespace dlib
    {
        class noncopyable
        {
            /*!
                This class makes it easier to declare a class as non-copyable.
                If you want to make an object that can't be copied just inherit
                from this object.
            !*/

        protected:
            noncopyable() = default;
            ~noncopyable() = default;
        private:  // emphasize the following members are private
            noncopyable(const noncopyable&);
            const noncopyable& operator=(const noncopyable&);

        };
    }

    #endif  // DLIB_BOOST_NONCOPYABLE_HPP_INCLUDED