diff options
Diffstat (limited to 'boost/variant/detail/substitute.hpp')
| -rw-r--r-- | boost/variant/detail/substitute.hpp | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/boost/variant/detail/substitute.hpp b/boost/variant/detail/substitute.hpp index 2579eb51bb..f9d29a50c5 100644 --- a/boost/variant/detail/substitute.hpp +++ b/boost/variant/detail/substitute.hpp @@ -145,7 +145,32 @@ struct substitute< Ts, Dest, Source >::type...> type; }; -#endif // !defined(BOOST_VARIANT_DO_NOT_USE_VARIADIC_TEMPLATES) + +// +// function specializations +// +template < + typename R + , typename... A + , typename Dest + , typename Source + > +struct substitute< + R (*)(A...) + , Dest + , Source + BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(mpl::int_<-1>) + > +{ +private: + typedef typename substitute< R, Dest, Source >::type r; + +public: + typedef r (*type)(typename substitute< + A, Dest, Source + >::type...); +}; +#else #define BOOST_VARIANT_AUX_SUBSTITUTE_TYPEDEF_IMPL(N) \ typedef typename substitute< \ @@ -164,6 +189,7 @@ struct substitute< #undef BOOST_VARIANT_AUX_SUBSTITUTE_TYPEDEF_IMPL #undef BOOST_VARIANT_AUX_SUBSTITUTE_TYPEDEF +#endif // !defined(BOOST_VARIANT_DO_NOT_USE_VARIADIC_TEMPLATES) #endif // !defined(BOOST_VARIANT_DETAIL_NO_SUBSTITUTE) }} // namespace detail::variant |