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by 10000truths
207 days ago
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My rule of thumb is that unchecked access is okay in scenarios where both the array/map and the indices/keys are private implementation details of a function or struct, since an invariant is easy to manually verify when it is tightly scoped as such. I've seen it used it in: * Graph/tree traversal functions that take a visitor function as a parameter * Binary search on sorted arrays * Binary heap operations * Probing buckets in open-addressed hash tables |
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