: __impl(in_place_index<_Ip>, _VSTD::forward<_Arg>(__arg)) {}
template <size_t _Ip, class... _Args,
- enable_if_t<(_Ip < sizeof...(_Types)), size_t> _Ip2 = _Ip,
- class _Tp = variant_alternative_t<_Ip2, variant<_Types...>>,
- enable_if_t<is_constructible<_Tp, _Args...>::value, int> = 0>
+ class = enable_if_t<(_Ip < sizeof...(_Types)), int>,
+ class _Tp = variant_alternative_t<_Ip, variant<_Types...>>,
+ enable_if_t<is_constructible_v<_Tp, _Args...>, int> = 0>
inline _LIBCPP_INLINE_VISIBILITY
- explicit constexpr variant(in_place_index_t<_Ip>,
- _Args&&... __args)
- noexcept(is_nothrow_constructible_v<_Tp, _Args...>)
+ explicit constexpr variant(
+ in_place_index_t<_Ip>,
+ _Args&&... __args) noexcept(is_nothrow_constructible_v<_Tp, _Args...>)
: __impl(in_place_index<_Ip>, _VSTD::forward<_Args>(__args)...) {}
- template <size_t _Ip, class _Up, class... _Args,
- enable_if_t<(_Ip < sizeof...(_Types)), size_t> _Ip2 = _Ip,
- class _Tp = variant_alternative_t<_Ip2, variant<_Types...>>,
+ template <
+ size_t _Ip,
+ class _Up,
+ class... _Args,
+ enable_if_t<(_Ip < sizeof...(_Types)), int> = 0,
+ class _Tp = variant_alternative_t<_Ip, variant<_Types...>>,
enable_if_t<is_constructible_v<_Tp, initializer_list<_Up>&, _Args...>,
int> = 0>
inline _LIBCPP_INLINE_VISIBILITY
- explicit constexpr variant(in_place_index_t<_Ip>, initializer_list<_Up> __il,
- _Args&&... __args)
- noexcept(is_nothrow_constructible_v<_Tp, initializer_list<_Up>&, _Args...>)
+ explicit constexpr variant(
+ in_place_index_t<_Ip>,
+ initializer_list<_Up> __il,
+ _Args&&... __args) noexcept(
+ is_nothrow_constructible_v<_Tp, initializer_list<_Up>&, _Args...>)
: __impl(in_place_index<_Ip>, __il, _VSTD::forward<_Args>(__args)...) {}
template <