hvdef: make HvStatus type distinct from HvError
#754
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`HvError` is supposed to represent a non-success status code, but it's also used for a possibly-successful status code in some places. Fix this by adding a new `HvStatus` type and making `HvError` a wrapper around `NonZeroU16`. This also gives us a nice niche optimization, so that `HvResult<(), HvError>` is equivalent to `HvStatus`.
chris-oo
approved these changes
Jan 31, 2025
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HvErroris supposed to represent a non-success status code, but it's also used for a possibly-successful status code in some places. Fix this by adding a newHvStatustype and makingHvErrora wrapper aroundNonZeroU16.This also gives us a nice niche optimization, so that
HvResult<(), HvError>is equivalent toHvStatus.