BOOST_STATIC_ASSERT(std::is_constructible<
        object::iterator, object::iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_constructible<
        object::iterator, object::const_iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_constructible<
        object::iterator, object::local_iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_constructible<
        object::iterator, object::const_local_iterator>::value);

    BOOST_STATIC_ASSERT(std::is_constructible<
        object::const_iterator, object::iterator>::value);

    BOOST_STATIC_ASSERT(std::is_constructible<
        object::const_iterator, object::const_iterator>::value);

    BOOST_STATIC_ASSERT(std::is_constructible<
        object::const_iterator, object::local_iterator>::value);

    BOOST_STATIC_ASSERT(std::is_constructible<
        object::const_iterator, object::const_local_iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_constructible<
        object::local_iterator, object::iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_constructible<
        object::local_iterator, object::const_iterator>::value);

    BOOST_STATIC_ASSERT(std::is_constructible<
        object::local_iterator, object::local_iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_constructible<
        object::local_iterator, object::const_local_iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_constructible<
        object::const_local_iterator, object::iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_constructible<
        object::const_local_iterator, object::const_iterator>::value);

    BOOST_STATIC_ASSERT(std::is_constructible<
        object::const_local_iterator, object::local_iterator>::value);

    BOOST_STATIC_ASSERT(std::is_constructible<
        object::const_local_iterator, object::const_local_iterator>::value);

    //

    BOOST_STATIC_ASSERT(std::is_assignable<
        object::iterator, object::iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_assignable<
        object::iterator, object::const_iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_assignable<
        object::iterator, object::local_iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_assignable<
        object::iterator, object::const_local_iterator>::value);

    BOOST_STATIC_ASSERT(std::is_assignable<
        object::const_iterator, object::iterator>::value);

    BOOST_STATIC_ASSERT(std::is_assignable<
        object::const_iterator, object::const_iterator>::value);

    BOOST_STATIC_ASSERT(std::is_assignable<
        object::const_iterator, object::local_iterator>::value);

    BOOST_STATIC_ASSERT(std::is_assignable<
        object::const_iterator, object::const_local_iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_assignable<
        object::local_iterator, object::iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_assignable<
        object::local_iterator, object::const_iterator>::value);

    BOOST_STATIC_ASSERT(std::is_assignable<
        object::local_iterator, object::local_iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_assignable<
        object::local_iterator, object::const_local_iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_assignable<
        object::const_local_iterator, object::iterator>::value);

    BOOST_STATIC_ASSERT(! std::is_assignable<
        object::const_local_iterator, object::const_iterator>::value);

    BOOST_STATIC_ASSERT(std::is_assignable<
        object::const_local_iterator, object::local_iterator>::value);

    BOOST_STATIC_ASSERT(std::is_assignable<
        object::const_local_iterator, object::const_local_iterator>::value);