common: parent_of_member: Fix build for OffsetOf().
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@ -133,27 +133,27 @@ template <auto MemberPtr>
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using GetMemberType = typename GetMemberPointerTraits<decltype(MemberPtr)>::Member;
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template <auto MemberPtr, typename RealParentType = GetParentType<MemberPtr>>
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static inline std::ptrdiff_t OffsetOf = [] {
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constexpr std::ptrdiff_t OffsetOf() {
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using DeducedParentType = GetParentType<MemberPtr>;
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using MemberType = GetMemberType<MemberPtr>;
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static_assert(std::is_base_of<DeducedParentType, RealParentType>::value ||
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std::is_same<RealParentType, DeducedParentType>::value);
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return OffsetOfCalculator<RealParentType, MemberType>::OffsetOf(MemberPtr);
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}();
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};
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} // namespace impl
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template <auto MemberPtr, typename RealParentType = impl::GetParentType<MemberPtr>>
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constexpr RealParentType& GetParentReference(impl::GetMemberType<MemberPtr>* member) {
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std::ptrdiff_t Offset = impl::OffsetOf<MemberPtr, RealParentType>;
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std::ptrdiff_t Offset = impl::OffsetOf<MemberPtr, RealParentType>();
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return *static_cast<RealParentType*>(
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static_cast<void*>(static_cast<uint8_t*>(static_cast<void*>(member)) - Offset));
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}
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template <auto MemberPtr, typename RealParentType = impl::GetParentType<MemberPtr>>
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constexpr RealParentType const& GetParentReference(impl::GetMemberType<MemberPtr> const* member) {
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std::ptrdiff_t Offset = impl::OffsetOf<MemberPtr, RealParentType>;
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std::ptrdiff_t Offset = impl::OffsetOf<MemberPtr, RealParentType>();
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return *static_cast<const RealParentType*>(static_cast<const void*>(
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static_cast<const uint8_t*>(static_cast<const void*>(member)) - Offset));
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}
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