early-access version 1659

This commit is contained in:
pineappleEA
2021-05-06 03:20:08 +02:00
parent 590872e3be
commit 37b353b187
142 changed files with 1763 additions and 1991 deletions

View File

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