Protect against re-using digested context #86
Merged
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Prevent users from calling
update!
on a context that has already been finalized, and warn against doing this in the docstring ofdigest!
If storing a
Bool
in the structs is too wasteful (8-bytes alignment and all), we can use the top bit of thebytecount
field instead. Let me know if you think this optimisation is worth the additional implementation complexity.Closes #85