Replace raw subtraction w/ checked_sub #2418
Merged
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This PR:
Replaces a raw
u64 - 1
withchecked_sub()
. I noticed some tests were panicking here, and I think handling this is best practice even if we don't think we will hit it. Especially since the fn where this is happening already returnsanyhow::Result
, so we don't need to refactor anything.I put the integer being subtracted from in the error to distinguish from rust panic message.