[docs] Note library evolution limitations around availability. #38296
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In swiftlang#36327, trying to compile library code where a struct has an unavailable stored property or an enum with an unavailable case with associated values was made into a hard error. Update the docs to reflect this limitation for library authors shipping new versions of dylibs to older OSes.
slavapestov
approved these changes
Jul 7, 2021
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@swift-ci smoke test and merge |
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In #36327, trying to compile
library code where a struct has an unavailable stored property
or an enum with an unavailable case with associated values was made
into a hard error. Update the docs to reflect this limitation
for library authors shipping new versions of dylibs to older OSes.