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Fixed variadic substitute

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This commit is contained in:
Nikita Kniazev
2018-02-17 21:42:31 +03:00
parent 8c043e1135
commit b91d4aa40b
1 changed files with 26 additions and 1 deletions
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27
include/boost/variant/detail/substitute.hpp
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@@ -145,7 +145,31 @@ 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
BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(typename Arity)
>
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)(A...);
};
#else
#define BOOST_VARIANT_AUX_SUBSTITUTE_TYPEDEF_IMPL(N) \
typedef typename substitute< \
@@ -164,6 +188,7 @@ 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