diff options
Diffstat (limited to 'libcxx/include/optional')
| -rw-r--r-- | libcxx/include/optional | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libcxx/include/optional b/libcxx/include/optional index c002cc72905..b13a2d5f7ae 100644 --- a/libcxx/include/optional +++ b/libcxx/include/optional @@ -1295,7 +1295,9 @@ optional<_Tp> make_optional(initializer_list<_Up> __il, _Args&&... __args) } template <class _Tp> -struct _LIBCPP_TEMPLATE_VIS hash<optional<_Tp> > +struct _LIBCPP_TEMPLATE_VIS hash< + __enable_hash_helper<optional<_Tp>, remove_const_t<_Tp>> +> { typedef optional<_Tp> argument_type; typedef size_t result_type; @@ -1303,7 +1305,7 @@ struct _LIBCPP_TEMPLATE_VIS hash<optional<_Tp> > _LIBCPP_INLINE_VISIBILITY result_type operator()(const argument_type& __opt) const _NOEXCEPT { - return static_cast<bool>(__opt) ? hash<_Tp>()(*__opt) : 0; + return static_cast<bool>(__opt) ? hash<remove_const_t<_Tp>>()(*__opt) : 0; } }; |
