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Safer slices #466

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Safer slices #466

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@kornelski kornelski commented Feb 4, 2026

Helper functions that remove boilerplate is_null and length checks for slices. It also guards against UB and costs just 3 cmoves on x86.

There are a few from_raw_parts left in callbacks, but making these nicer needs wrapping them in a Result-returning functions first.

@kornelski kornelski requested a review from rushilmehra February 4, 2026 18:55
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