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[libc++][NFC] Remove special handling for __hash_value_type in <__node_handle> (#147271)

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We're not instantiating `__hash_value_type` anymore, so we don't need
any special handling of it here.
This commit is contained in:
Nikolas Klauser
2025-07-10 09:21:46 +02:00
committed by GitHub
parent c8fbcb6590
commit 28f0935172
1 changed files with 4 additions and 27 deletions
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31
libcxx/include/__node_handle
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@@ -174,40 +174,17 @@ struct __set_node_handle_specifics {
_LIBCPP_HIDE_FROM_ABI value_type& value() const { return static_cast<_Derived const*>(this)->__ptr_->__get_value(); }
};
template <class, class>
struct __hash_value_type;
template <class _NodeType, class _Derived>
struct __map_node_handle_specifics {
template <class _Tp>
struct __get_type {
using key_type = __remove_const_t<typename _Tp::first_type>;
using mapped_type = typename _Tp::second_type;
};
template <class _Key, class _Mapped>
struct __get_type<__hash_value_type<_Key, _Mapped> > {
using key_type = _Key;
using mapped_type = _Mapped;
};
using key_type = typename __get_type<typename _NodeType::__node_value_type>::key_type;
using mapped_type = typename __get_type<typename _NodeType::__node_value_type>::mapped_type;
using key_type = __remove_const_t<typename _NodeType::__node_value_type::first_type>;
using mapped_type = typename _NodeType::__node_value_type::second_type;
_LIBCPP_HIDE_FROM_ABI key_type& key() const {
if constexpr (__is_specialization_v<typename _NodeType::__node_value_type, __hash_value_type>) {
return static_cast<_Derived const*>(this)->__ptr_->__get_value().__ref().first;
} else {
return const_cast<key_type&>(static_cast<_Derived const*>(this)->__ptr_->__get_value().first);
}
return const_cast<key_type&>(static_cast<_Derived const*>(this)->__ptr_->__get_value().first);
}
_LIBCPP_HIDE_FROM_ABI mapped_type& mapped() const {
if constexpr (__is_specialization_v<typename _NodeType::__node_value_type, __hash_value_type>) {
return static_cast<_Derived const*>(this)->__ptr_->__get_value().__ref().second;
} else {
return static_cast<_Derived const*>(this)->__ptr_->__get_value().second;
}
return static_cast<_Derived const*>(this)->__ptr_->__get_value().second;
}
};