_Has_class_or_enum_type concept should admit unions #93
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Unions have "class type", despite that `is_class_v` is false for unions. Fixes a bug in which the behavior of `std::ranges::swap` cannot be customized for union types.
StephanTLavavej
approved these changes
Sep 12, 2019
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Unions have "class type", despite that
is_class_vis false for unions. Fixes a bug in which the behavior ofstd::ranges::swapcannot be customized for union types.