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Remove aligned_storage and aligned_union since C++23 #520

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Remove aligned_storage and aligned_union since C++23 #520

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2 changes: 2 additions & 0 deletions include/boost/hana/traits.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -165,6 +165,7 @@ namespace boost { namespace hana { namespace traits {
BOOST_HANA_INLINE_VARIABLE constexpr auto remove_all_extents = metafunction<std::remove_all_extents>;

// Miscellaneous transformations
#if __cplusplus < 202302L
BOOST_HANA_INLINE_VARIABLE constexpr struct aligned_storage_t {
template <typename Len, typename Align>
constexpr auto operator()(Len const&, Align const&) const {
Expand All @@ -190,6 +191,7 @@ namespace boost { namespace hana { namespace traits {
return hana::type_c<Result>;
}
} aligned_union{};
#endif

BOOST_HANA_INLINE_VARIABLE constexpr auto decay = metafunction<std::decay>;
// enable_if
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2 changes: 2 additions & 0 deletions test/type/traits.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -141,9 +141,11 @@ int main() {
hana::traits::remove_all_extents(s);

// Miscellaneous transformations
#if __cplusplus < 202302L
hana::traits::aligned_storage(hana::size_c<1>);
hana::traits::aligned_storage(hana::size_c<1>, hana::size_c<1>);
hana::traits::aligned_union(hana::size_c<0>, s);
#endif
hana::traits::decay(s);

hana::traits::common_type(s, s);
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