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- // Copyright David Abrahams 2002.
- // 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/python/bases.hpp>
- #include <boost/static_assert.hpp>
- #include <boost/python/detail/type_traits.hpp>
- struct A;
- struct B;
- template <class X, class Y, class Z>
- struct choose_bases
- : boost::python::detail::select_bases<
- X
- , typename boost::python::detail::select_bases<
- Y
- , typename boost::python::detail::select_bases<Z>::type
- >::type>
- {
-
- };
- int main()
- {
- BOOST_STATIC_ASSERT((boost::python::detail::specifies_bases<
- boost::python::bases<A,B> >::value));
- BOOST_STATIC_ASSERT((!boost::python::detail::specifies_bases<
- boost::python::bases<A,B>& >::value));
- BOOST_STATIC_ASSERT((!boost::python::detail::specifies_bases<
- void* >::value));
- BOOST_STATIC_ASSERT((!boost::python::detail::specifies_bases<
- int >::value));
- BOOST_STATIC_ASSERT((!boost::python::detail::specifies_bases<
- int[5] >::value));
- typedef boost::python::detail::select_bases<
- int
- , boost::python::detail::select_bases<char*>::type > collected1;
- BOOST_STATIC_ASSERT((boost::python::detail::is_same<collected1::type,boost::python::bases<> >::value));
- BOOST_STATIC_ASSERT((boost::python::detail::is_same<choose_bases<int,char*,long>::type,boost::python::bases<> >::value));
-
- typedef boost::python::detail::select_bases<
- int
- , boost::python::detail::select_bases<
- boost::python::bases<A,B>
- , boost::python::detail::select_bases<
- A
- >::type
- >::type
- > collected2;
- BOOST_STATIC_ASSERT((boost::python::detail::is_same<collected2::type,boost::python::bases<A,B> >::value));
- BOOST_STATIC_ASSERT((boost::python::detail::is_same<choose_bases<int,boost::python::bases<A,B>,long>::type,boost::python::bases<A,B> >::value));
-
- return 0;
- }
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