mirror of
https://github.com/microsoft/vcpkg.git
synced 2024-11-28 18:59:00 +08:00
48 lines
2.5 KiB
Diff
48 lines
2.5 KiB
Diff
diff --git a/include/boost/variant/detail/apply_visitor_unary.hpp b/include/boost/variant/detail/apply_visitor_unary.hpp
|
|
index 71610cb..c3a741e 100644
|
|
--- a/include/boost/variant/detail/apply_visitor_unary.hpp
|
|
+++ b/include/boost/variant/detail/apply_visitor_unary.hpp
|
|
@@ -23,6 +23,7 @@
|
|
# include <boost/mpl/size.hpp>
|
|
# include <boost/utility/declval.hpp>
|
|
# include <boost/core/enable_if.hpp>
|
|
+# include <boost/type_traits/copy_cv_ref.hpp>
|
|
# include <boost/type_traits/remove_reference.hpp>
|
|
# include <boost/variant/detail/has_result_type.hpp>
|
|
#endif
|
|
@@ -85,7 +86,7 @@ namespace detail { namespace variant {
|
|
// This class serves only metaprogramming purposes. none of its methods must be called at runtime!
|
|
template <class Visitor, class Variant>
|
|
struct result_multideduce1 {
|
|
- typedef typename Variant::types types;
|
|
+ typedef typename remove_reference<Variant>::type::types types;
|
|
typedef typename boost::mpl::begin<types>::type begin_it;
|
|
typedef typename boost::mpl::advance<
|
|
begin_it, boost::mpl::int_<boost::mpl::size<types>::type::value - 1>
|
|
@@ -95,14 +96,14 @@ struct result_multideduce1 {
|
|
struct deduce_impl {
|
|
typedef typename boost::mpl::next<It>::type next_t;
|
|
typedef typename boost::mpl::deref<It>::type value_t;
|
|
- typedef decltype(true ? boost::declval< Visitor& >()( boost::declval< value_t >() )
|
|
+ typedef decltype(true ? boost::declval< Visitor& >()( boost::declval< copy_cv_ref_t< value_t, Variant > >() )
|
|
: boost::declval< typename deduce_impl<next_t>::type >()) type;
|
|
};
|
|
|
|
template <class Dummy>
|
|
struct deduce_impl<last_it, Dummy> {
|
|
typedef typename boost::mpl::deref<last_it>::type value_t;
|
|
- typedef decltype(boost::declval< Visitor& >()( boost::declval< value_t >() )) type;
|
|
+ typedef decltype(boost::declval< Visitor& >()( boost::declval< copy_cv_ref_t< value_t, Variant > >() )) type;
|
|
};
|
|
|
|
typedef typename deduce_impl<begin_it>::type type;
|
|
@@ -132,7 +133,7 @@ inline decltype(auto) apply_visitor(Visitor&& visitor, Visitable&& visitable,
|
|
boost::detail::variant::has_result_type<Visitor>
|
|
>::type* = 0)
|
|
{
|
|
- boost::detail::variant::result_wrapper1<Visitor, typename remove_reference<Visitable>::type> cpp14_vis(::boost::forward<Visitor>(visitor));
|
|
+ boost::detail::variant::result_wrapper1<Visitor, Visitable> cpp14_vis(::boost::forward<Visitor>(visitor));
|
|
return ::boost::forward<Visitable>(visitable).apply_visitor(cpp14_vis);
|
|
}
|
|
|