refactor(nullreader): use clear() builtin for zero-fill#13529
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refactor(nullreader): use clear() builtin for zero-fill#13529
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Uses a single `memclr` under the hood instead of the loop.
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Pull request overview
This PR refactors the nullreader zero-fill implementation to use Go’s clear() builtin, which the compiler can optimize into an efficient bulk zeroing operation (e.g., memclr) rather than a manual loop.
Changes:
- Replace per-byte zeroing loop in
Reader.Readwithclear(out).
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Uses a single
memclrunder the hood instead of the loop.This gets used in a few places,
clear()has been a Go optimisation for a few years now.