Add Hashtable and LongHashingUtils utilities#11409

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dougqh wants to merge 18 commits into

dougqh/conflating-metrics-background-workfrom

dougqh/util-hashtable

Commits on May 19, 2026

Address review feedback on Hashtable

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Fix dropped argument in HashingUtils 5-arg Object hash

dougqh
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claude
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Address review feedback on Hashtable

dougqh
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Drop reflection in iterator tests via package-private D1.buckets

dougqh
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Add context-passing forEach to Hashtable.D1 and D2

dougqh
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Move forEach loop body to Support helper

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Move bucket-head cast to Support.bucket helper

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Drop d1_/d2_ prefix from per-table benchmark methods

dougqh
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Add Hashtable.Support helpers: MAX_RATIO, insertHeadEntry, MutatingTableIterator

dougqh
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Swap MAX_RATIO numerator/denominator pair for a single float + scaled create()

dougqh
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Tighten Hashtable docs + rename MAX_CAPACITY to MAX_BUCKETS

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Dedupe chain-head splice in D1/D2 via keyHash insertHeadEntry overload

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Tighten Entry.next encapsulation; doc hasNext; add D1/D2 getOrCreate

dougqh
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