diff options
Diffstat (limited to 'libcxx/include/__functional')
| -rw-r--r-- | libcxx/include/__functional/hash.h | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/libcxx/include/__functional/hash.h b/libcxx/include/__functional/hash.h index 83bbf1b..f74f25f 100644 --- a/libcxx/include/__functional/hash.h +++ b/libcxx/include/__functional/hash.h @@ -433,13 +433,10 @@ struct __hash_impl<long double> : __scalar_hash<long double> { template <class _Tp> struct hash : public __hash_impl<_Tp> {}; -#if _LIBCPP_STD_VER >= 17 - template <> struct hash<nullptr_t> : public __unary_function<nullptr_t, size_t> { _LIBCPP_HIDE_FROM_ABI size_t operator()(nullptr_t) const _NOEXCEPT { return 662607004ull; } }; -#endif #ifndef _LIBCPP_CXX03_LANG template <class _Key, class _Hash> @@ -452,18 +449,12 @@ template <class _Key, class _Hash = hash<_Key> > using __has_enabled_hash _LIBCPP_NODEBUG = integral_constant<bool, __check_hash_requirements<_Key, _Hash>::value && is_default_constructible<_Hash>::value >; -# if _LIBCPP_STD_VER >= 17 template <class _Type, class> using __enable_hash_helper_imp _LIBCPP_NODEBUG = _Type; template <class _Type, class... _Keys> using __enable_hash_helper _LIBCPP_NODEBUG = __enable_hash_helper_imp<_Type, __enable_if_t<__all<__has_enabled_hash<_Keys>::value...>::value> >; -# else -template <class _Type, class...> -using __enable_hash_helper _LIBCPP_NODEBUG = _Type; -# endif - #endif // !_LIBCPP_CXX03_LANG _LIBCPP_END_NAMESPACE_STD |