strict_overload.hpp

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#ifndef BOOST_MPL11_DETAIL_LOGICAL_OR_STRICT_OVERLOAD_HPP
#define BOOST_MPL11_DETAIL_LOGICAL_OR_STRICT_OVERLOAD_HPP

#include <boost/mpl11/bool.hpp>
#include <boost/mpl11/detail/std_conditional.hpp>


namespace boost { namespace mpl11 { namespace detail { namespace logical_or {
    template <typename ...T> false_ strict_overload_impl(T*...);
                             false_ strict_overload_impl();
    template <typename ...T> true_  strict_overload_impl(T...);

    template <typename ...xs>
    using strict_overload = decltype(
        strict_overload_impl(
            typename std_conditional<
                (bool)xs::type::value, int, int*
            >::type{}...
        )
    );
}}}} // end namespace boost::mpl11::detail::logical_or

#endif // !BOOST_MPL11_DETAIL_LOGICAL_OR_STRICT_OVERLOAD_HPP